Unlock your T-Mobile with the Device Unlock App

The fastest, safest, and most efficient way to permanently unlock your phone

  • The only way to unlock your smartphone with the Device Unlock App
  • Lowest price on the internet
  • Fully guaranteed or your money back

How to unlock your device from T-Mobile with the Device Unlock App

The traditional method of unlocking a phone so it can be used on any network in the world is typing in an unlock code. However, for some smartphones locked to T-Mobile, a different method is required.

Back in 2014, T-Mobile pre-installed an application on a number of makes and models which allow the owner to request and apply a mobile device unlock directly from the device. For phones which do not prompt for the unlock code, this is the only method that will unlock the phone.

If T-Mobile has pre-installed the Device Unlock App on your smartphone, and you can check this under the Applications icon, follow the steps below:

  1. Request your unlocking below by selecting the make of your phone locked to T-Mobile and then our Device Unlock App Service. DO NOT choose any other unlocking service. We do not issue refunds if the incorrect service is selected.
  2. Once we've received your unlocking request, we will send you an e-mail informing you that the phone's IMEI number has been registered as unlocked on the T-Mobile server.
  3. Insert a SIM card from a network that does not belong to T-Mobile.
  4. Open the Device Unlock App and select the "Permanent Unlock" option.
  5. You will see the following message: "Unlock Approved: Mobile device is permanently unlocked".
Device Unlock T-Mobile


FAQ for T-Mobile Device Unlock App

The Device Unlock App Service is an unlocking service for devices with the Device Unlock App pre-installed by T-Mobile and that cannot be unlocked by inserting an unlock code which is the traditional way of unlocking a phone.

This service permanently unlocks the phone so it can be used with any network provider in the world.
If T-Mobile has pre-installed the Device Unlock App on your phone, it will be under the Applications icon on the main menu. If you do not have the app on your smartphone, you can still unlock the device the traditional way (using the phone's IMEI number) by selecting either our Standard or Premium Service. However, the phone must prompt for the unlock code. If it does not, unfortunately, your phone cannot be unlocked via IMEI.
Unfortunately, if you receive either of these two messages your T-Mobile device cannot be unlocked using the Device Unlock App. DO NOT request to unlock your phone if you see one of these error messages on your screen. We will be unable to issue a refund in this case.
No, although it sounds counter-intuitive, this message means you CAN unlock your device from T-Mobile using our Device Unlock App Service.
The phone manufacturers which include the Device Unlock App on their devices are Samsung, LG, Alcatel, HTC, Huawei, Kyocera, Motorola, Sony Xperia, and ZTE.

The network providers using this application to unlock phones from their network are T-Mobile and MetroPCS.
You have nothing to worry about! doctorSIM will issue you a full refund if for any reason under our responsibility your phone cannot be unlocked from T-Mobile using the Device Unlock App. Please note that we DO NOT issue refunds if you select the incorrect unlocking service.
If you do not have the Device Unlock App on your phone, you can still unlock the device the traditional way (inserting an unlock code) by selecting either our Standard or Premium Service. However, in order to do so the phone must prompt for the unlock code. Unfortunately, if there is no way of typing in the unlock code your phone cannot be unlocked.

Why unlock your T-Mobile phone with doctorSIM?

  • You will be able to use your phone with any network provider.
  • The warranty of the phone will remain valid.
  • Fast unlocking code turnaround.
  • Permanently unlock your phone without leaving your home or office.
  • Unlocking is 100% legal and permanent.
  • No need to restore, update your software or use cables to unlock your phone.
  • Zero risks of damaging your phone using this method.
  • Customer support available 24 hours a day, 7 days a week to assist you.


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