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10.5
Ringing or Melody problems
Melody or tone can be checked in "Factory mode": refer to chapter TEST PROCEDURES
- If it does not sound properly dismantle the mobile change the Loudspeaker. If the problem remains change the
whole LCD module.
10.6
No sound in Loudspeaker
The sound from the loudspeaker can be checked in "Factory mode": refer to chapter TEST PROCEDURES
- Check the microphone and the earpiece, If needed dismantle the product change the loudspeaker then the
microphone. If the audio problem cannot be solved, swap the board.
10.7
Communication problems
- Sound quality can be checked in audio loop test
- If the mobile passes the radio tests successfully, we can assume that the phone works properly. The customer
must check the coverage area of his network operator or that he does not use the phone in a radio shadow (outside
the coverage area, in a tunnel or between tall buildings, ...)
- If the mobile does not pass the radio tests, swap the board.
10.8
Keyboard problems
-
The keyboard can be checked in "Factory mode": refer to chapter TEST PROCEDURES
- If a key or a row does not respond, check the keyboard. If needed dismantle the product changes the Metal
dome . If the problem remains, swap the board.
10.9
Problems to send SMS messages
Check the SMS Center number. It may be empty or wrong.
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