How many GB do you get with AT&T unlimited plan?

Posted on: 13 Aug 2024

Navigating AT&T's unlimited plans can be confusing. This guide clarifies exactly how much high-speed data you get with each AT&T unlimited offering in 2025, helping you choose the best fit for your mobile needs without unexpected throttling.

Understanding AT&T Unlimited Plans in 2025

AT&T offers a tiered approach to its unlimited mobile plans, each designed to cater to different levels of data consumption and feature preferences. In 2025, the core question for many consumers remains: "How many GB do you get with AT&T unlimited plan?" The answer isn't a single number but varies significantly across their Unlimited Basic, Unlimited Starter, Unlimited Extra, and Unlimited Premium tiers. While all plans promise "unlimited" data, the crucial distinction lies in the amount of high-speed data provided before potential slowdowns, known as deprioritization, or before data speeds are capped. Understanding these nuances is vital to avoid surprise limitations and ensure your mobile experience meets your expectations. This comprehensive guide will break down the data allowances for each plan, explain what "unlimited" truly means in AT&T's context, and help you make an informed decision.

The Evolution of "Unlimited" Data

The term "unlimited data" has evolved considerably in the mobile industry. For years, it meant truly unlimited access to data at the highest available speeds. However, to manage network congestion and ensure a consistent experience for all users, carriers like AT&T have introduced policies that affect data speeds after a certain threshold of usage is reached. In 2025, AT&T's unlimited plans continue this trend, offering substantial high-speed data buckets before any potential changes to your browsing, streaming, and downloading experience.

Key Factors to Consider

When evaluating AT&T's unlimited plans, pay close attention to the following:

High-Speed Data Allowance: This is the primary metric for how much data you can use at full 5G/4G LTE speeds.
Deprioritization Threshold: The amount of data you can use before AT&T may temporarily slow your speeds during times of network congestion.
Mobile Hotspot Data: The amount of data you can use to connect other devices to your phone's internet connection.
Video Streaming Quality: Some plans cap video streaming resolution.
International Features: Data allowances for use in Mexico and Canada, or international roaming.

We will delve into each of these aspects for every major AT&T unlimited plan available in 2025.

AT&T Unlimited Basic: Data Details

The AT&T Unlimited Basic plan is positioned as an entry-level unlimited option, offering a solid foundation for users who don't require extensive high-speed data or premium features. It's designed for individuals or families who primarily use their mobile devices for everyday tasks like browsing, social media, and standard-definition video streaming, with moderate data usage.

High-Speed Data Allowance

With AT&T Unlimited Basic, you receive a generous allocation of high-speed data. In 2025, this plan typically includes 40 GB of high-speed 5G/4G LTE data per line per month. This means that for the first 40 GB of data you consume each billing cycle, you will experience the fastest available speeds on AT&T's network. This is a significant amount of data for many users, easily covering daily browsing, email, social media updates, and even a considerable amount of standard-definition video streaming.

Deprioritization Threshold

Once you exceed the 40 GB high-speed data threshold on AT&T Unlimited Basic, your data speeds may be temporarily slowed (deprioritized) during times of network congestion. It's important to understand that deprioritization does not mean your data is cut off; rather, your speeds could be slower than usual when the network is busy. For users who don't consistently push beyond 40 GB per month, this threshold is unlikely to be a concern. However, for heavy streamers or frequent downloaders, it's a factor to consider.

Video Streaming Quality

A notable characteristic of the Unlimited Basic plan in 2025 is its video streaming quality. This plan typically limits video streaming to Standard Definition (SD) quality, or up to 1.5 Mbps. While sufficient for most mobile viewing on smaller screens, it might not be ideal for users who prefer to stream high-definition (HD) or 4K content on larger devices or tablets.

Mobile Hotspot Data

The AT&T Unlimited Basic plan includes a limited amount of high-speed mobile hotspot data. In 2025, this typically amounts to 15 GB of high-speed hotspot data per line per month. After this 15 GB is used, your mobile hotspot speeds are reduced to 3G speeds, which are significantly slower and may only be suitable for basic web browsing or email.

Key Takeaways for Unlimited Basic

High-Speed Data: 40 GB per line per month.
Deprioritization: May occur after 40 GB during network congestion.
Video Streaming: Limited to SD quality (up to 1.5 Mbps).
Hotspot Data: 15 GB of high-speed data, then reduced speeds.

This plan is a cost-effective choice for moderate users who can manage within the high-speed data and video streaming limitations. For more detailed comparisons, check out our guide to choosing the right plan.

AT&T Unlimited Starter: Data Insights

The AT&T Unlimited Starter plan is AT&T's most budget-friendly unlimited offering. It's designed for individuals or families who are lighter data users and prioritize affordability. While it provides unlimited data, the high-speed data allowance is more restricted compared to higher tiers, making it essential to understand its limitations.

High-Speed Data Allowance

For the AT&T Unlimited Starter plan in 2025, the high-speed data allowance is 15 GB of high-speed 5G/4G LTE data per line per month. This means that for the first 15 GB of data used each billing cycle, you will experience AT&T's fastest network speeds. This amount is suitable for basic smartphone usage, including occasional browsing, social media, and light email communication. However, for users who frequently stream videos, download large files, or play online games, this allowance can be quickly consumed.

Deprioritization Threshold

Once you surpass the 15 GB high-speed data limit on the Unlimited Starter plan, your data speeds will be subject to deprioritization. This means that during periods of high network traffic, your connection may be slower than that of users who have not reached their high-speed data limit. Unlike higher-tier plans, the Unlimited Starter plan often has a lower threshold for deprioritization, making it more susceptible to speed reductions if you are a heavy data user.

Video Streaming Quality

Similar to the Unlimited Basic plan, the AT&T Unlimited Starter plan typically restricts video streaming quality to Standard Definition (SD), or up to 1.5 Mbps. This ensures that video consumption doesn't rapidly deplete the limited high-speed data allowance. While acceptable for viewing on a smartphone, it may be less desirable for those who prefer higher-resolution streaming on larger screens.

Mobile Hotspot Data

The Unlimited Starter plan offers a very limited amount of high-speed mobile hotspot data. In 2025, this is typically 3 GB of high-speed hotspot data per line per month. Once this small allowance is exhausted, your mobile hotspot speeds are significantly reduced to 3G speeds, making it impractical for most modern internet tasks.

Key Takeaways for Unlimited Starter

High-Speed Data: 15 GB per line per month.
Deprioritization: May occur after 15 GB during network congestion, and potentially more frequently.
Video Streaming: Limited to SD quality (up to 1.5 Mbps).
Hotspot Data: 3 GB of high-speed data, then reduced speeds.

This plan is best suited for users who are conscious of their data usage and primarily use their phones for essential communication and light internet activities. For a clearer picture of how this compares, see our comparison of key data differences.

AT&T Unlimited Extra: A Deeper Dive into Data

The AT&T Unlimited Extra plan strikes a balance between affordability and robust data features, offering a significant upgrade in high-speed data compared to the Basic and Starter plans. This tier is ideal for users who consume more data, stream higher-quality video, and occasionally use their mobile hotspot, without necessarily needing the absolute top-tier benefits.

High-Speed Data Allowance

In 2025, the AT&T Unlimited Extra plan provides a substantial 75 GB of high-speed 5G/4G LTE data per line per month. This generous allowance means that for the vast majority of users, you will experience full-speed data for all your online activities, including extensive video streaming, gaming, downloading large files, and frequent browsing, without encountering deprioritization. This is a major leap from the lower tiers and caters to more data-intensive users.

Deprioritization Threshold

After exhausting the 75 GB high-speed data allowance on the Unlimited Extra plan, your data speeds may be subject to deprioritization during times of network congestion. While this threshold is considerably higher than the Basic and Starter plans, it's still a factor for extremely heavy data users. However, for most individuals, 75 GB is more than enough to cover monthly usage without experiencing slowdowns.

Video Streaming Quality

A key advantage of the Unlimited Extra plan is its improved video streaming quality. This plan typically allows for HD video streaming, or up to 4 Mbps. This higher resolution provides a much better viewing experience for movies, TV shows, and video calls, especially when viewed on tablets or larger smartphone screens.

Mobile Hotspot Data

The Unlimited Extra plan offers a more practical amount of high-speed mobile hotspot data. In 2025, you get 30 GB of high-speed hotspot data per line per month. This is sufficient for connecting multiple devices for work or entertainment on the go for extended periods. Once this 30 GB is used, your hotspot speeds are reduced to 3G.

Additional Perks

Beyond data, the Unlimited Extra plan often includes features like included talk and text in Mexico and Canada, which can be a significant benefit for frequent travelers to these countries. For more on international usage, see our international data considerations section.

Key Takeaways for Unlimited Extra

High-Speed Data: 75 GB per line per month.
Deprioritization: May occur after 75 GB during network congestion.
Video Streaming: Supports HD quality (up to 4 Mbps).
Hotspot Data: 30 GB of high-speed data, then reduced speeds.

This plan is an excellent choice for users who demand more high-speed data, appreciate HD streaming, and need a robust mobile hotspot allowance. It represents a significant step up in value for those who regularly use their mobile data.

AT&T Unlimited Premium: Maximum Data and Perks

The AT&T Unlimited Premium plan is AT&T's flagship unlimited offering, designed for the most demanding mobile users who want the best possible data experience, maximum flexibility, and a suite of premium features. This plan provides the most extensive high-speed data and the highest quality streaming available across AT&T's unlimited lineup.

High-Speed Data Allowance

With the AT&T Unlimited Premium plan in 2025, you receive an effectively unlimited amount of high-speed 5G/4G LTE data. This means there is no hard cap on the amount of data you can use at the fastest available speeds. While AT&T still reserves the right to deprioritize your data during network congestion after a very high usage threshold (often around 100 GB, though this can vary and is not always explicitly stated as a hard limit), for the vast majority of users, this plan provides truly unlimited high-speed data for all activities.

Deprioritization Threshold

As mentioned, while there isn't a strict GB limit before speeds are reduced on Unlimited Premium, AT&T's terms of service indicate that heavy data users may experience slower speeds during network congestion. However, this threshold is typically set at a very high level (e.g., 100 GB or more), meaning you would need to be an exceptionally heavy user to notice any impact. For practical purposes, this plan offers the closest experience to unlimited high-speed data available.

Video Streaming Quality

The Unlimited Premium plan offers the highest quality video streaming. It supports 4K UHD video streaming on compatible devices, providing the most immersive and detailed viewing experience. This is a significant advantage for users who stream a lot of content or use their devices for entertainment on larger screens.

Mobile Hotspot Data

This premium plan also includes the most generous mobile hotspot allowance. In 2025, AT&T Unlimited Premium typically offers 50 GB of high-speed mobile hotspot data per line per month. After this substantial allowance is used, your hotspot speeds are reduced to 3G. This 50 GB is ample for connecting multiple devices for work, streaming, or browsing for extended periods.

International Benefits

Unlimited Premium often comes bundled with enhanced international benefits. This can include unlimited talk, text, and data in Mexico and Canada, plus included high-speed data allowances in over 20 countries worldwide, often at 3G speeds or higher. These features make it an excellent choice for frequent international travelers.

Key Takeaways for Unlimited Premium

High-Speed Data: Effectively unlimited high-speed data (no hard cap for most users).
Deprioritization: May occur after very high usage (e.g., 100 GB+) during network congestion.
Video Streaming: Supports 4K UHD quality.
Hotspot Data: 50 GB of high-speed data, then reduced speeds.

The Unlimited Premium plan is the ultimate choice for power users who demand the best performance, the most data, and premium features. For a detailed comparison of these plans, refer to our key data differences explained section.

Key Data Differences Explained

Understanding the specific GB allowances for each AT&T unlimited plan is crucial, but it's equally important to grasp the implications of these differences. The primary distinctions revolve around high-speed data, deprioritization thresholds, video streaming quality, and mobile hotspot capabilities. Let's break down how these elements differentiate the plans in 2025.

High-Speed Data: The Foundation of Your Experience

The amount of high-speed data is the most significant differentiator. It dictates how much content you can download, stream, and browse at optimal speeds.

Unlimited Starter: 15 GB. Best for light users.
Unlimited Basic: 40 GB. Suitable for moderate users.
Unlimited Extra: 75 GB. Ideal for heavy users and streamers.
Unlimited Premium: Effectively unlimited (no hard cap for most users). For power users.

If your monthly data usage consistently exceeds 15 GB, the Starter plan will likely lead to deprioritization, impacting your experience. For those who stream a lot of video or use their phone for work, 40 GB or 75 GB becomes essential.

Deprioritization: What It Means for You

Deprioritization is AT&T's method of managing network traffic. When the network is congested, customers who have used more data (especially those who have exceeded their high-speed allowance on lower tiers) may experience slower speeds. The higher the plan, the higher the threshold before deprioritization is likely to occur. For Unlimited Premium users, this is rarely an issue unless they are consuming truly extraordinary amounts of data.

Video Streaming Quality: A Visual Difference

The resolution at which you can stream video directly impacts your data usage and overall viewing experience.

Starter & Basic: Standard Definition (SD) - up to 1.5 Mbps. Fine for small screens, can appear blurry on larger ones.
Extra: High Definition (HD) - up to 4 Mbps. A clear improvement for most viewing.
Premium: 4K UHD - highest available quality. Best for immersive viewing on compatible devices.

If you frequently watch videos on your phone or tablet, the jump from SD to HD or UHD can be a significant quality-of-life improvement.

Mobile Hotspot Data: Connectivity Beyond Your Phone

Mobile hotspot data allows you to share your phone's internet connection with other devices like laptops or tablets. The amount of high-speed hotspot data varies considerably:

Plan	High-Speed Hotspot Data	Speed After Limit
Unlimited Starter	3 GB	3G Speeds
Unlimited Basic	15 GB	3G Speeds
Unlimited Extra	30 GB	3G Speeds
Unlimited Premium	50 GB	3G Speeds

The higher hotspot allowances on Extra and Premium plans are crucial for users who rely on their phones as a mobile Wi-Fi connection for work or extended travel.

For a direct visual comparison, consider this summary table:

Feature	Unlimited Starter	Unlimited Basic	Unlimited Extra	Unlimited Premium
High-Speed Data (GB)	15	40	75	Effectively Unlimited
Deprioritization Threshold	Lower	Moderate	High	Very High (e.g., 100GB+)
Video Streaming Quality	SD (1.5 Mbps)	SD (1.5 Mbps)	HD (4 Mbps)	4K UHD
High-Speed Hotspot (GB)	3	15	30	50

These differences are critical for choosing a plan that aligns with your actual mobile data usage patterns. For more detailed comparisons, explore our guide to choosing the right plan.

Understanding Deprioritization and Throttling

The terms "deprioritization" and "throttling" are often used interchangeably when discussing mobile data, but they represent slightly different mechanisms that can affect your speeds. For AT&T's unlimited plans in 2025, understanding these concepts is key to managing expectations about your data performance.

What is Deprioritization?

Deprioritization is a network management technique. When the AT&T network experiences high traffic in a particular area, AT&T may temporarily slow down the data speeds of customers who have used a significant amount of data within their billing cycle. This is particularly true for customers on plans with lower high-speed data thresholds. The goal is to ensure that all users, even during peak times, can still access the network, albeit potentially at reduced speeds for those who have consumed more data.

Key points about deprioritization:

It's temporary and typically occurs only during times of network congestion.
It affects speeds, not access to data itself (unless you've hit a hard data cap, which is rare for "unlimited" plans in the traditional sense).
The threshold for deprioritization varies by plan, with higher-tier plans having much higher thresholds.
It's a proactive measure to manage network resources fairly.

What is Throttling?

Throttling, in the context of mobile data, generally refers to a permanent or long-term reduction in data speeds after a certain usage limit is reached, or for specific types of data. In AT&T's unlimited plans, throttling most commonly applies to:

Mobile Hotspot Speeds: After the high-speed hotspot data allowance is exhausted on any plan, the speeds are reduced to 3G. This is a form of throttling, as the speeds are permanently capped at a lower level for the remainder of the billing cycle.
Video Streaming Quality: While not strictly "throttling" in the sense of overall internet speed, the restriction of video streaming to SD or HD quality on certain plans is a form of content-specific speed limitation.
Post-High-Speed Data (on lower tiers): On plans like Unlimited Starter and Basic, once the high-speed data allowance is used, the speeds might be significantly reduced. While AT&T often refers to this as "deprioritization," the reduction can be so substantial that it functions similarly to throttling for practical purposes, making data usage very slow.

How They Apply to AT&T Unlimited Plans in 2025

Unlimited Starter: With only 15 GB of high-speed data, users are likely to encounter deprioritization (and potentially effectively throttled speeds for general data use) more frequently, especially in congested areas. Hotspot data is throttled to 3G after 3 GB.
Unlimited Basic: The 40 GB high-speed data allowance provides a buffer, reducing the likelihood of deprioritization for moderate users. Hotspot data is throttled to 3G after 15 GB.
Unlimited Extra: The 75 GB threshold means deprioritization is less common for most users. Hotspot data is throttled to 3G after 30 GB.
Unlimited Premium: Offers effectively unlimited high-speed data with a very high deprioritization threshold. Hotspot data is throttled to 3G after 50 GB.

It's important to note that AT&T's network performance can vary by location and time of day. What one user experiences as deprioritization, another might not. However, by understanding the data allowances and the policies around deprioritization and throttling, you can better choose a plan that aligns with your usage habits and minimize potential speed frustrations. For more on how to manage your data, see our guide to choosing the right plan.

Mobile Hotspot Data Limits

Mobile hotspot functionality, also known as tethering, allows you to use your smartphone's cellular data connection to provide internet access to other devices, such as laptops, tablets, or other phones. This feature is incredibly useful for staying connected on the go, but AT&T's unlimited plans come with specific limits on how much high-speed data you can use for this purpose.

Why Hotspot Limits Exist

Mobile hotspot usage tends to consume data at a higher rate than typical smartphone usage. Sharing your connection with a laptop, for instance, can lead to much faster data depletion, especially if multiple devices are connected or if those devices are streaming video or downloading large files. Carriers implement hotspot data limits to manage network resources, prevent abuse, and differentiate their service tiers. Essentially, they reserve the highest speeds and most extensive data allowances for direct use on the primary device.

Hotspot Data Allowances by Plan (2025)

As detailed previously, the amount of high-speed mobile hotspot data varies significantly across AT&T's unlimited plans:

AT&T Unlimited Starter: Offers a very limited 3 GB of high-speed mobile hotspot data per month. Once this is used, your hotspot speeds are reduced to 3G, which is generally too slow for most modern internet tasks.
AT&T Unlimited Basic: Provides a more usable 15 GB of high-speed mobile hotspot data per month. This is sufficient for occasional use, such as checking emails or browsing the web on a laptop. After 15 GB, speeds drop to 3G.
AT&T Unlimited Extra: This plan significantly increases the high-speed hotspot allowance to 30 GB per month. This makes it a viable option for users who need to use their phone as a hotspot more regularly for work or entertainment. Speeds are reduced to 3G after 30 GB.
AT&T Unlimited Premium: The top-tier plan offers the most generous allowance: 50 GB of high-speed mobile hotspot data per month. This is ideal for power users, remote workers, or families who frequently rely on their phone for internet connectivity for multiple devices. Speeds are reduced to 3G after 50 GB.

Understanding "Reduced Speeds"

It's crucial to understand that once the high-speed hotspot data allowance is exhausted on any of these plans, the speeds are reduced to 3G. 3G speeds are considerably slower than 4G LTE or 5G. While they might allow for basic tasks like sending emails or checking simple web pages, they are generally insufficient for streaming video, participating in video calls, or downloading large files. This means that for the remainder of your billing cycle, your ability to use your phone as a reliable mobile Wi-Fi hotspot will be severely limited.

Tips for Managing Hotspot Data

Monitor Usage: Regularly check your data usage through the myAT&T app or website to stay aware of how much hotspot data you have remaining.
Connect Wisely: Only connect devices that truly need internet access.
Adjust Settings: On your connected devices, disable automatic updates, close unnecessary applications, and limit background data usage.
Optimize Streaming: If streaming on a connected device, choose lower video quality settings.
Consider Wi-Fi: Whenever possible, connect to available Wi-Fi networks instead of using your mobile hotspot to conserve your high-speed allowance.

Choosing a plan with an adequate high-speed hotspot data allowance is as important as choosing one with sufficient general data, especially if you rely on your phone for connectivity beyond basic smartphone tasks. For a full comparison, revisit the key data differences.

International Data Considerations

For many users, especially those who travel frequently, understanding how AT&T's unlimited plans handle international data usage is just as important as domestic allowances. While "unlimited" plans focus on domestic data, international features can vary significantly by plan tier in 2025.

Mexico and Canada Roaming

AT&T offers included talk, text, and data when roaming in Mexico and Canada on most of its unlimited plans. However, the specifics of the data allowance differ:

Unlimited Starter: Typically includes unlimited talk and text, but data speeds in Mexico and Canada may be limited or subject to deprioritization more readily than on higher-tier plans. Data may be at lower speeds after a certain threshold.
Unlimited Basic: Generally includes unlimited talk and text, and a set amount of high-speed data (often 10-15 GB) for use in Mexico and Canada. After this allowance, data speeds are reduced.
Unlimited Extra: Usually offers unlimited talk and text, and a more generous high-speed data allowance for Mexico and Canada (often 15-25 GB). Speeds are reduced after the allowance is used.
Unlimited Premium: Provides unlimited talk, text, and data in Mexico and Canada, with the highest allowance of high-speed data (often 50 GB or more) before speeds are reduced.

It's crucial to check the specific GB allowance for Mexico and Canada on each plan, as "unlimited" doesn't always mean unlimited high-speed data in these regions.

International Roaming in Other Countries

For travel outside of Mexico and Canada, AT&T's unlimited plans offer different levels of international connectivity:

Unlimited Starter & Basic: Typically offer basic international roaming at slower speeds (often 2G or 3G) for talk and text, with limited data capabilities or requiring the purchase of international packages. Data usage can be very expensive if not managed carefully.
Unlimited Extra: May include a small amount of high-speed data (e.g., 1-5 GB) in select countries, along with unlimited talk and text at international rates. Beyond the included data, pay-per-use rates apply.
Unlimited Premium: Often includes a more substantial high-speed data allowance (e.g., 15-50 GB) in over 20 countries, along with unlimited talk and text in those countries. This makes it the most convenient option for frequent international travelers who need reliable data access abroad.

International Packages and Add-ons

If your plan's included international features are insufficient, AT&T offers various international packages and add-ons that can be purchased. These can provide daily or monthly allowances for data, talk, and text in a wider range of countries. These packages are often more cost-effective than pay-per-use rates for moderate international data consumption.

Key Considerations for International Data

Check Specific Allowances: Always verify the exact GB of high-speed data included for Mexico/Canada and other international destinations for the specific plan you are considering.
Understand Speed Reductions: Know when and how your speeds will be reduced after exceeding allowances.
Consider Travel Packages: If you travel frequently, research AT&T's international packages to see if they offer better value for your needs.
Use Wi-Fi When Possible: To conserve your international data allowance, connect to Wi-Fi networks whenever available.

For travelers, the Unlimited Premium plan often provides the most comprehensive and user-friendly international data experience. For a deeper dive into plan features, see our guide to choosing the right plan.

Choosing the Right Plan for Your Data Needs

Selecting the correct AT&T unlimited plan hinges on accurately assessing your individual or household's mobile data consumption habits. With varying GB allowances, deprioritization thresholds, and feature sets, a plan that's perfect for one user might be inadequate or overly expensive for another. This section provides a step-by-step approach to help you make the optimal choice in 2025.

Step 1: Assess Your Current Data Usage

The most critical first step is to understand how much data you currently use. Most smartphones provide built-in tools to track data consumption:

On Android: Go to Settings > Network & Internet > Mobile network > App data usage.
On iOS: Go to Settings > Cellular. Scroll down to see usage by app and total usage for the current period.

Review your usage for the past 2-3 months. Look at your average monthly data consumption. Also, consider how much of that data is used for streaming video, downloading large files, or using your mobile hotspot. If you don't have access to this information, try to estimate based on your typical activities.

Step 2: Identify Your Key Usage Scenarios

Beyond raw GB numbers, consider how you use data:

Light User: Primarily use your phone for calls, texts, email, and occasional social media browsing. Data usage is typically under 10 GB per month.
Moderate User: Browse the web frequently, use social media extensively, stream music, and watch some standard-definition videos. Data usage is typically between 10 GB and 40 GB per month.
Heavy User: Stream HD videos regularly, download large files, play online games, and use your phone for work-related tasks. Data usage is typically between 40 GB and 75 GB per month.
Power User: Constantly stream high-definition or 4K video, download very large files, rely heavily on mobile hotspot for multiple devices, and use data for critical work functions. Data usage often exceeds 75 GB per month.

Step 3: Evaluate Your Need for Mobile Hotspot

Do you frequently use your phone to provide internet access to other devices? If so, the high-speed hotspot data allowance becomes a primary factor.

Occasional Hotspot Use (under 15 GB): Unlimited Starter or Basic might suffice.
Regular Hotspot Use (15-30 GB): Unlimited Extra becomes a strong contender.
Heavy Hotspot Use (30-50 GB+): Unlimited Premium is likely your best bet.

Remember that after the high-speed allowance is used, hotspot speeds are reduced to 3G, which can be very slow.

Step 4: Consider Video Streaming Preferences

If video quality is important to you:

SD Streaming is Acceptable: Unlimited Starter and Basic plans will work.
HD Streaming is Preferred: The Unlimited Extra plan is the minimum you should consider.
4K UHD Streaming is Desired: Only the Unlimited Premium plan offers this highest quality.

Step 5: Factor in International Travel

If you frequently travel outside the US, especially to Mexico or Canada, review the international data allowances for each plan. The Unlimited Premium plan generally offers the most robust international features, but Unlimited Extra can also be suitable depending on your specific travel destinations and data needs abroad.

Step 6: Compare Pricing and Promotions

Once you've narrowed down the plans based on your data needs, compare the monthly costs. Keep an eye out for promotional offers, discounts for bundling services (like home internet or TV), and multi-line discounts, which can significantly reduce the overall price.

Recommended Plans Based on Usage (2025):

For Light Users (under 15 GB/month, minimal hotspot): AT&T Unlimited Starter is the most budget-friendly.
For Moderate Users (15-40 GB/month, occasional hotspot): AT&T Unlimited Basic offers a good balance.
For Heavy Users (40-75 GB/month, regular hotspot, HD streaming): AT&T Unlimited Extra provides ample high-speed data and better streaming.
For Power Users (over 75 GB/month, heavy hotspot, 4K streaming, frequent international travel): AT&T Unlimited Premium is the best choice for maximum data and features.

By following these steps and understanding the GB allowances and features of each plan, you can confidently choose the AT&T unlimited plan that best meets your needs and budget.

Frequently Asked Questions About AT&T Unlimited Data (2025)

Here are answers to common questions about AT&T's unlimited data plans in 2025, aiming to provide clarity on GB allowances and usage.

What does "unlimited data" really mean with AT&T?

With AT&T's unlimited plans, you get unlimited data usage. However, the amount of data you can use at the fastest available 5G/4G LTE speeds varies by plan. After you reach a certain high-speed data threshold (which differs per plan), AT&T may temporarily slow your data speeds (deprioritize) during times of network congestion. Mobile hotspot data also has specific high-speed allowances before speeds are reduced.

How much high-speed data do I get on AT&T Unlimited Starter?

The AT&T Unlimited Starter plan provides 15 GB of high-speed 5G/4G LTE data per line per month. After this, your data speeds may be slowed during network congestion, and mobile hotspot data is limited to 3 GB of high-speed data before dropping to 3G speeds.

What is the high-speed data limit for AT&T Unlimited Basic?

AT&T Unlimited Basic offers 40 GB of high-speed 5G/4G LTE data per line per month. Deprioritization may occur after this amount during network congestion. Mobile hotspot data includes 15 GB of high-speed data before speeds are reduced.

How many GB of high-speed data does AT&T Unlimited Extra include?

The AT&T Unlimited Extra plan comes with 75 GB of high-speed 5G/4G LTE data per line per month. This is a significant amount for most users. Mobile hotspot data includes 30 GB of high-speed data before speeds are reduced.

Does AT&T Unlimited Premium have a data cap?

AT&T Unlimited Premium offers effectively unlimited high-speed data. There is no hard GB cap on your regular data usage at 5G/4G LTE speeds for the primary device. While AT&T reserves the right to deprioritize very heavy users (typically after 100 GB or more) during network congestion, most users will experience unlimited high-speed data. It includes 50 GB of high-speed mobile hotspot data.

What happens if I go over my high-speed data limit?

If you exceed your plan's high-speed data allowance, your data speeds may be temporarily slowed (deprioritized) during times of network congestion. This means your browsing, streaming, and downloading could be slower than usual. For mobile hotspot data, speeds are typically reduced to 3G speeds after the high-speed allowance is used.

Is video streaming quality different on AT&T unlimited plans?

Yes, video streaming quality varies. Unlimited Starter and Basic plans typically limit video to Standard Definition (SD) quality (up to 1.5 Mbps). Unlimited Extra supports High Definition (HD) quality (up to 4 Mbps), and Unlimited Premium supports 4K UHD streaming for the best viewing experience.

How much mobile hotspot data do I get with each plan?

Mobile hotspot allowances in 2025 are:

Unlimited Starter: 3 GB high-speed
Unlimited Basic: 15 GB high-speed
Unlimited Extra: 30 GB high-speed
Unlimited Premium: 50 GB high-speed

After the high-speed allowance is used, hotspot speeds are reduced to 3G.

Do AT&T unlimited plans include data in Mexico and Canada?

Yes, most AT&T unlimited plans include talk, text, and data in Mexico and Canada. However, the amount of high-speed data included varies by plan. Unlimited Premium typically offers the most generous allowance, while Starter may have more limitations.

How can I check my current data usage?

You can check your data usage by logging into your myAT&T account online or through the myAT&T app on your smartphone. Your phone's settings also provide data usage information.

Which plan is best if I use a lot of data?

If you use more than 40-50 GB of data per month, or if you frequently use your mobile hotspot, the AT&T Unlimited Extra or AT&T Unlimited Premium plans are likely your best options. Unlimited Premium offers the most flexibility with effectively unlimited high-speed data and the largest hotspot allowance.

By understanding these details, you can better choose the AT&T unlimited plan that aligns with your data needs and budget for 2025.

Conclusion

In 2025, the question "How many GB do you get with AT&T unlimited plan?" is best answered by understanding the tiered structure of AT&T's offerings. While all plans provide unlimited data, the crucial distinction lies in the amount of high-speed data available before potential deprioritization, the quality of video streaming, and the allowance for mobile hotspot usage. From the 15 GB high-speed data on Unlimited Starter to the effectively unlimited high-speed data on Unlimited Premium, each tier caters to a different user profile. For those who stream frequently or rely on mobile hotspots, plans like Unlimited Extra (75 GB high-speed data, 30 GB hotspot) and Unlimited Premium (unlimited high-speed data, 50 GB hotspot) offer significantly more value and flexibility. Carefully assessing your monthly data consumption, hotspot needs, and video streaming preferences is key to selecting the AT&T unlimited plan that provides the best performance and value for your specific requirements.