Download the T-Mobile Device Unlock (Pixel) app from the Play Store, open it, and select Permanent Unlock .
Are you getting a (like "Error 37") when you try to use the built-in unlocker? T-Mobile device unlock VARIO UNLOCK TOOL TMOBILE-MOBILE PHONE
To successfully unlock this device, you generally follow these steps using a third-party service like Unlocking360 : Download the T-Mobile Device Unlock (Pixel) app from
Look for a pre-installed app titled Device Unlock in your app drawer. Steps to Unlock: VARIO UNLOCK TOOL TMOBILE-MOBILE PHONE
The genius of the Vario Unlock Tool lies in its versatility (hence the name "Vario"). It supports a wide array of manufacturers heavily distributed by T-Mobile, including