AT&T standardizes data throttling policy, allows 5GB for LTE and 3GB for 3G/HSPA

Up until now, AT&T’s policy on data throttling for smartphones has been a rather gray area. The company had only admitted that the “top 5% of users” would be throttled. But that left many customers wondering exactly where that limit was.

Today AT&T has clarified their policy regarding data usage and taken the T-Mobile approach by introducing “soft caps”. Those grandfathered into unlimited data plans will still technically have “unlimited” data, but after a certain amount of usage, your speeds will be slowed to a crawl till you billing cycle ticks over to the next month.

For customers with 4G LTE devices, the soft cap is set at 5GB of data before the throttling kicks in. And those using 3G or HSPA+ devices will get only 3GB of data before they get sent back to dial up speeds.

Whether or not you agree with the policy is certainly up for debate. But at least AT&T is being up front about the policy instead of just surprising users with a speed decrease. Additionally, most users don’t use enough data to be affected by the policy. But if you’re an AT&T customer and also a huge data user, better start hanging around near some WiFi.

With mobile data usage continuing to skyrocket and the availability of spectrum scarce, AT&T, like other wireless companies, manages its network in the most fair way possible so that we can provide the best possible mobile broadband experience for all our customers.

How we’re managing the network only affects a small minority of the heaviest smartphone data users still on unlimited plans. Put another way, this does not impact more than 95 percent of our smartphone customers.

Our unlimited plan customers have told us they want more clarity around how the program works and what they can expect. Here’s what customers need to know:

  • Customers with a 3G or 4G smartphone – who also still have our unlimited data plan – will see speeds reduced if they use 3GB (gigabytes) of data or more in a billing cycle. Speeds will return to normal at the start of the next billing cycle. For context, less than 5 percent of smartphone customers use more than 3GB per month.
  • For customers with a 4G LTE smartphone – who also still have our unlimited data plan – data speeds will be reduced if usage is 5GB (gigabytes) or more in a billing cycle. Speeds will return to normal at the start of the next billing cycle.

Customers will get a text message from us before experiencing a change in speed.

Even with reduced data speeds, these customers will still be able to email and surf the web, and continue to use an unlimited amount of data each month.

Not impacted by this program, launched last year, are customers on our tiered data plans.

The reason reduced speeds only apply to unlimited smartphone customers is because their data usage is significantly higher than those on tiered plans. For example, in January, the top 5 percent of our unlimited data plan customers used an average of over 50 percent more data than the top 5 percent of customers on tiered plans.

Because spectrum is limited and data usage continues to soar, we manage our network this way to be as fair as possible and so we can provide the best possible mobile broadband experience to everyone.

We encourage all of our customers to use Wi-Fi whenever possible – especially when watching video, which is the most data-intensive activity.

That’s because data activity over Wi-Fi does not count against the threshold for unlimited customers that triggers reduced data speeds or against customers’ tiered data plans. Customers can find out more at

[via BGR]

Ben is the owner/editor of The Android Site, as well as the main writer. He has been writing about Android related news since 2009 and obsessed with everything Google and Android related. You can find him on Reddit, Twitter, Google Plus and most other websites under the username benmarvin

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