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Bring your own phone and get nationwide LTE coverage with ZERO commitment.

Bring your own phone and get nationwide LTE coverage with ZERO commitment.

Start the switch by checking your phone's compatibility.
Limited-time, web-only offer. Device must be compatibile with our network & capable of using a T-Mobile SIM car. Capable device req'd for 4G LTE speeds. Qualifying service required.

Here’s how to bring your own phone

Check Compatibility

Check your phone's compatibility with our network.
Check now

Choose a Plan

Buy a SIM and select your plan.
Buy SIM now


Once your SIM arrives, simply insert it into your existing phone and you are ready to go.

Questions on bringing your device?

Please call 1-844-740-2981 to activate your SIM on T-Mobile’s 4G LTE Network. We’re open Mon-Fri from 5 a.m. – 10 p.m. PT and Sat-Sun from 6 a.m. – 8 p.m. PT.

The steps are simple:
1) Select the right 3-in-1 SIM card for your GSM or LTE device. Phones require a 3-in-1 SIM Starter Kit. Tablets and hotspots require a 3-in-1 Data SIM Starter Kit.
2) Pick a plan.
3) Check out.

See How to Switch for more information on switching to T-Mobile.

When your SIM card arrives simply follow the manufacturer’s set-up procedure to insert the new card into your device. Then start using it. It’s that easy.


The T-Mobile 3-in-1 SIM Starter Kit fits all GSM phones.
The T-Mobile 3-in-1 Data SIM Starter Kit fits all compatible GSM and LTE tablets, hotspots and mobile internet devices.

If you have your new device, or new SIM card for an existing device, then you can transfer or port your phone number in one of two ways:

  1. Contact Customer Care: dial 611 from your T-Mobile phone or call 1-877-453-1304
  2. Bring your device to a T-Mobile store. Store locator

If you plan to purchase a new device or SIM card online, you will have the option to transfer your number during checkout. To check the transfer eligibility of your existing number or to find more information about transferring your number during online checkout, see Transfer your phone number to T-Mobile.

If you plan to purchase a new device or SIM card from a T-Mobile store, then you can transfer your number at the time of purchase.

Yes, If your device has a cellular radio in it that is compatible with T-Mobile’s network, you can use it. Refer to the device manufacturer’s website for details. If you have questions, take your device to the nearest T-Mobile store and we’ll be happy to help you.

If you deactivate your line altogether, you will no longer be connected to the T-Mobile network and will not be able to get your free data each month.

Currently, only tablets are eligible for to receive the 200 MB Starter Data promotion.

Most tablets compatible with T-Mobile’s network are eligible.  This includes:

  • Tablets previously sold by T-Mobile
  • Tablets currently sold by T-Mobile
  • Tablets that are coming soon to T-Mobile that have been announced
  • Selected tablets that you may have bought for use on another carrier network and are unlocked. For more information see Bring your own Mobile Internet device

It stands for Subscriber Identity Module. Each SIM card has a unique serial number which needs to be activated before you can use it in a new device, but it’s super-fast and super easy. If you are bringing a device to T-Mobile that has been on another carrier’s network, you will need a new one that is specific to T-Mobile.

No, there is no domestic or international roaming included.

Why choose T-Mobile? It’s simple. Only TMO provides you with the lowest upfront cost on our latest tablets with no annual service contract and no overages on our nationwide 4G LTE network.

At T-Mobile, we've changed the game completely. With our T-Mobile One plan, we separate the cost of the device from the cost of your service. Bring your own eligible device and your monthly bill is even less! There are no annual service contracts, and no overages. Now that’s what we call better wireless.

Learn more about how T-Mobile is changing the game

Yes, compatible tablets are eligible for the free data . You can get the free data as long as you have an active Mobile Internet account with T-Mobile. Trade-in a T-Mobile, AT&T or just Wi-Fi tablet and we will credit the value of your tablet. This will reduce your monthly payments on a new tablet. Note that this trade-in benefit applies for postpaid customers only.

Trade-in your tablet

Still have questions?

Call 1-800-TMOBILE:  1-800-866-2453

Still have questions?

Call 1-800-TMOBILE:  1-800-866-2453