Lenovo i909 Maintenance Manual - Page 15
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I908 Mobile Phone Maintenance Manual
3.4 Keypad and Keypad Backlight
3.4.1 The keypad does not work normally
Disassemble
phone to check the connection
of keypad FPC and pseudo
N
Open up the phone and
check if the metal dome is
N
Remove the metal dome
and clean the keypad with
alcohol. Attach a new dome
The
the
mobile
Y
Page 15
LENOVO
Fix
or
replace
metal