Haier MT5311 Manual page 92

Upgrade Software:
1, Copy the software ino the root directory of the
U disk;
2, Put your disk inserted into the TV set,
then connect the tv to power supply.
3, The indicator lamp will flash for about 1 min.
4, Until the indicator lamp stop flashing.It means
upgrade is succesful
5, Then factory reset.
Factory Reset: menu/8893/function/clean stroage
select YES.
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