Get 20% off any single accessory in stores. A promo code for redemption will be sent to one line on your account in December, if eligible. The promo code will be valid for 90 days.
Good at participating stores only; max discount $20. Not combinable with other promotional offers. One coupon per unlimited LTE line; max one coupon per accessory purchase.

Get an extra 4GB of data

Get an extra 4GB of data

Have a Mobile Internet line too? A one-time addition of 4GB of mobile Internet data will be automatically added to your Mobile Internet line for one month if you qualify. We will send you a notification on your T-Mobile phone to let you know when this automatic upgrade has occurred.

Plus, you can still qualify for this extra data.  If you're an unlimited LTE customer and you add a Mobile Internet line within 90 days of the notice your account received about this offer, you get the extra 4GB, too.

Want to add a Mobile Internet line? Add it here.


This agreement is related to network management disclosures that were in place in 2015. We updated those disclosures more than a year ago, and as part of this agreement, we are taking some additional steps, including giving eligible customers certain benefits described on this page. If you’d like to read up on our network management practices, you can always find them here:

If you were on an unlimited 4G LTE rate plan as of 11/5/2016, you qualify for these offers. One line on your account also should have received a text message on your T-Mobile phone or via email in December confirming you are eligible for these offers.

Not at all. We aren’t changing our network management policies as a result of this agreement.

This special 4GB Data Stash is good for 12 months.

Yes, each unlimited 4G LTE customer as of 11/5/2016 gets to use the accessory discount code once. Simply provide the discount code when you're making your accessory purchase at participating stores.