"To exit Safe Mode, you can usually restart your phone normally," reads Google's support page about Android's Safe Mode (emphasis ours). "Turning off or exiting Safe Mode varies by phone." ...

On some Android devices, Safe Mode can only be disabled using a specific button combination at startup. This is mainly for the devices that cannot exit Safe Mode on normal reboot.

Hold down the power button, then tap Restart > Restart to reboot and exit Safe Mode This article explains how to exit Safe Mode when you're done using it. It also shows how to get back into Safe ...

Exiting Safe Mode To exit safe mode, simply restart your device normally: Press and Hold the Power Button: Press and hold the power button until the "Power off" option appears.