Table of Contents
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No/Low sound from Speaker
Press power on and side button to
check if there's the ring is normal
Set the phone as
normal mode
Customer Service
No sound or noise
YES
YES
The phone is in
Silent mode.
NO
Check if the volume
is in lowest mode.
NO
Turn on the speaker,
measure the wave
signal by oscillograph
NO
Replace U101 MT6250
Remove the speaker and
NO
measure with multimeter to
see if there's any sound.
YES
Replace speaker.
YES
Turn up the volume.
31
Service Manual
NO
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