Use APKPure App
Get T-Mobile Device Unlock (Pixel) old version APK for Android
Request a Mobile Device Unlock from T-Mobile without calling Customer Service
Request a Permanent or Temporary Unlock for your T-Mobile Google Pixel device. The app will check your eligibility and perform the Unlock operation and may require a device restart for changes to take affect.
REQUIRED: Please make sure to have a T-Mobile SIM card inserted into the device prior to opening the application.