Problem 1:

Phone or tablet will not power on

Solution 1:

Check for damage - verify phone/tablet, charger, and USB cable have no physical or liquid damage. Check USB connections for corrosion and bent pins. Inspect LDI stickers in SIM and microSD card tray slots. Secure USB cable in charging port.

Soft reboot - press and hold Power and Volume Down keys until device restarts. If entering Maintenance Boot Mode, highlight Normal Boot and select it.

Charge device - use factory travel charger for at least 1 hour. Wait 10 min for charging indicator.

Power on - disconnect charger, press and hold Power key for 15-20 sec. If it turns on, charge it fully; otherwise, contact support.

Problem 2:

Phone or tablet will not power off

Solution 2:

Force shut down - press and hold Power and Volume Down keys until phone/tablet shuts down. If entering Maintenance Boot Mode, highlight Normal Boot and select it.