Tip & How-To about Sony Ericsson Cyber-shot C905 Cell Phone

C905 - Cant hear, earpiece problem.

This is a little tip for anyone having problems with their Sony Ericsson C905 where they cant hear anything whilst on the phone.

This is only if you cant hear anything through the earpiece, however it works normally when you have it on Loudspeaker...

There is a fault with the C905 ribbon flex, this flex connects to the phones, keypad and then runs under the screen and has pads for the phones earpiece to connect to.

There are 3 methods of solving the problem

1, If your phone is under warranty have an authorised Sony Ericsson service centre repair your phone for you, this is FREE and is the best option.

2, You can buy a replacement ribbon, for these handsets and change it yourself. It looks like the image in the following link
C905 Flex

3, If you are able to solder and feel confident you can try the following fix, you need to make a jumper from the right solder pad to the leg on the transistor just below, use low res wire and be very carefull...



Remember trying 2 or 3 on your handset, if your phone is still under warranty will end up voiding your warranty so only do this if you dont have a warranty...

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1 Answer

when i make a call i cant hear the other person unless my phone is on loud speaker and they cant hear me unless its on loud speaker too


the internal speaker hs gone on your phone - this has happened to me 3 times now - took it CPW and they fix on that day or replace it it seems to be a recurring problem with the C905

Oct 22, 2009 | Sony Ericsson Cyber-shot C905 Cell Phone

1 Answer

cannot hear anyone when they phone me i have to switch on the loudspeaker


i have the same problem and my phone is the sony ericsson c905 but it will play songs if i put one on.ive tried doing a phone software update but it doesnt work please help as my phone has been fine up until today

Oct 20, 2009 | Sony Ericsson Cyber-shot C905 Cell Phone

1 Answer

cant hear no one through the ear piece


this may be because you have recently done something to ur phone i would say try resetting it or sending back to carrier to get fixed or at least have them send u a new phone

Sep 11, 2009 | Sony Ericsson Cyber-shot C905 Cell Phone

1 Answer

II have a sony ericsson c905 and the sound system is down. I can only listen to musik through earphones. I cannot even hear when someone calls.


I too had this problem..
Solution...I gave it a solid tap down towards the bottom of the handset whilst playing a song and the sound mysteriously came back and I haven't had a problem since.
Just a bad connection I assume.
Probably best to send it back for repair under warranty though if you can.

Jun 19, 2009 | Sony Ericsson Cyber-shot C905 Cell Phone

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