Using oneplus one (not rooted). PIN forgotten. no option of "forgot password". Android device manager doesn't locate my device. cellular data is on. doesn't connect to the wifi automatically. din't know whethere USB debugging is on. need to recover 1-2 important apps but locked out. Please HELP!!
If you have rooted your phone, boot into recovery and delete following files:
If not, you would have to find a way to root your device without loosing your data.
fastboot oem unlock is the key for that.
And this might be the same question: Forgot Oneplus One pin. How to enable usb debugging?