How To Get T Mobile Device Unlock App. Go to the app's setting (the device unlock app in your tmobile apps) you can hold it and you should then see the app's setting or app's info. Go to storage and clear the cache and make sure under permissions you have given it turned on.
Great, and as long as you don't have a past due, open device unlock app, then tap on permanent unlock. Go to storage and clear the cache and make sure under permissions you have given it turned on. Click continue in the app, then press “permanent unlock” and wait for the unlock.
The unlocking process is straightforward and does not.
Bypass t mobile unlock app. Select permanent unlock and wait while the device completes the unlock. You'll have to though the fcc to get it to unlock. Settings > network & internet > mobile network > advanced > network unlock.