Find answers to commonly asked questions about data speed reductions.
Some T-Mobile data features have a threshold on the amount of data you can use at full speed during a billing cycle. After you pass the threshold, you still have unlimited access to data, but the data speed is reduced.
Data speed reduction ensures that you have a positive web experience and helps you avoid overage charges, while allowing you to stay within the costs of your plan. Even with data speed reduction, you can have a good experience with many data services, such as email, general web browsing, and Facebook.
Example: You have the Unlimited 2 GB data feature that provides 2 GB of full-speed access on the T-Mobile network. You use the data feature for web browsing at full speed, and to download videos, pictures, and email. Once you use 2 GB of data, your data speed is reduced for the remainder of the bill cycle, but you still have unlimited access to data on the T-Mobile network.
Yes. If you have a plan that was available between November 13, 2010, and March 24, 2013, data speed is reduced to (at most) 50 Kbps (comparable to dial-up) when data usage exceeds the data speed reduction threshold. Mobile Internet and data-only plan customers who reach this threshold have their data speed reduced to 100 Kbps.
If you have a plan that was available after March 24, 2013, data speed is reduced to (at most) 128 Kbps when data usage exceeds the data speed reduction threshold for data features, mobile Internet, and data-only plans.
Example: Let's say you have a plan with 3 GB of high-speed data. Your speed is reduced when you reach 3 GB of high-speed usage. You contact Customer Service to upgrade to a 5 GB high-speed data plan or Unlimited Nationwide 4G LTE data on your phone. Now, your speed is no longer reduced and you have an additional 2 GB or unlimited on-phone high-speed data to use for the billing cycle.
The data threshold does not reset to zero when upgrading to a higher plan.
Example: If you’re on a plan with 3 GB of high-speed data, you'll reach your high-speed threshold at 3 GB. If you upgrade to our 5 GB high-speed data option, you have 2 GB of high-speed data remaining for the billing cycle for a total bill cycle high-speed data usage of 5 GB.
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