This is an official unlocking service for T-Mobile USA network.
In order to use this service, you need to provide a picture with the message that appears when you use the official device unlock app.
Check if your device can be unlocked, by following these 3 steps:
1. Install T-Mobile APP from Play store.
2. Open the app and press Permanent unlock.
3. The following message should appear: Unlock Failed: This mobile device is not eligible for unlock.
If you get a different message you CANNOT unlock this device
Important!!!!! There is no refund if you make an order with a different message, or if your device is already unlocked.