AT&T Begins Throttling Unlimited Data Users After Hitting 2 GB

John Cozen, an AT&T customer who resides in San Diego, reports today that his grandfathered unlimited data plan is being throttled for going over AT&T’s current 2 GB data cap. Apparently Cozen only went over 137.59 MB last month, yet they reduced his data speeds enough to render his smartphone useless. If you’d like to see an example of just how bad AT&T’s throttling is, then please watch the video below.

When AT&T began their throttling on October 1st of 2011, they stated that only about 5 percent of users would be affected and a premature report claimed these users would only be affected if they used 10-12 GB of data in a month. Instead, it seems that the carrier is being much more strict than this — at least in Cozen’s case. Cozen explains his situation:

I received a message during my last billing cycle, warning I was in the top 5% of my region and would experience reduced data speeds next time I reach that level of data use. I immediately checked my data usage on the AT&T iOS app.

2.1 GB. Less than I expected considering AT&T offers a 3GB plan for $30 a month. The same amount I’ve paid for the unlimited data plan since signing up with them many years ago. AT&T no longer offers an unlimited data plan, anyone still on it has been grandfathered in.

Cozen then contacted AT&T to confirm that the message wasn’t a mistake and after many messages between he and several AT&T customer service representatives, he was able to confirm that the mere 137.59 MB overage was indeed within AT&T’s defined throttling range. Apparently the top 5 percent rule is specific to each region as Mac Rumors reports that some users are still experiencing normal speeds.

How are your data speeds on AT&T? Any throttling yet? More specifically, is there anyone in the San Diego area who has been experiencing throttling? Let us know in the comments thread!

[John Cozen via Mac Rumors]

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