Independent UK technology advice — clear, honest and jargon-free.
Your deviceHONOR 400
Step 1 of 333%
What to do now

Try a normal restart first

Press and hold the Power button until a menu appears, then choose Restart.

Device-matched visualHONOR 400 · HONOR MagicOS
9:41
HONOR MagicOSPower menu
Power off
Restart
Emergency
A carefully recreated HONOR MagicOS screen for HONOR 400, based on the manufacturer's current guidance. The highlighted control shows exactly what to use next. A software update may move it slightly.