A1200 I experience a bizarre problem with my a1200. I can't hear the other party and the other party can't hear me at random intervals. However this problem totally disappears when I switch to speakerphone. It's very annoying. Can anyone help? Thanks in advance.

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there is problem in ur mike ..plz clean ur board with pcb board cleaner...
or
change the new mike

99.9 % this problem comes when x'tal malfunctions just heat the x'tal of CPU and see if it works replace the x;tal.

solution please

volume set all the way down or you droped your phone and the speaker points were busted

the flexible or ribbon cable running from ur main PCB to the flip has gone unserviceable. u need to change the same. i have spare ribbon cable imported from hongkong with full bill and original certificate. i can guarantee that ur phone will start working after u change that cable.

u can replace insead of chaning phone

I took mine to a cell phone repair place.. they replaced the ribbon cable and the chipset that connects it.. still NOTHING!

try pressing really ******* the earpiece...i found that solution on this website on a different user and the solution was that simple, it worked for me... try it.

The first 2 answers sound relay dumb but always start at the beginning when diagnosing a problem. 1: make sure you're not placing your thumb over the Mic (located at the bottom, front of the device). 2: make sure Mute is not turned on, if it is tap it to turn it off. 3: if your using handsfree mode try picking the phone up and using it normally. There's no Mic volume control in the standard Matchbox based GUI but some 3rd party software does include volume adjustments so take a look at your settings in any control apps you have installed. lastly see if you get the same problem using a headset, you have not said if you are using the phone normally, with a headset/BlueTooth headset or in handsfree mode. Post back if non of this helps.