TECNO T340 MIC FINALLY
TECNO T340 MIC FINALLY
read the note below carefully before going through because we are not responsible of damage or any harm come to your phone during this tutorials.
Finally I have figure out how to resolve Tecno T340 mic problem but the solution I have is not like the one you knew before .
After to much of trials and challenge about tecno t340 mic problem, at last we found out and its hundreds percent working tested by me, and this mighty work need to be done by professionals in-case of getting mistakes because I self before successing on this problem I kill many phones but now I'm doing this in five minutes.
Caution ; if you are not sure about your skills on reballing ic's.please do not try on peoples, phone; buy one with the mic issue and perform this tutorial.
because you may get white display issue or kill the phone at last
First of all an engineer should understand that the Tecno T340 is types of mobile we call china mobile most of the china phone they don't have many ic's they only have CPU and network ic, network switch and regulator, Rtc ic etc.Now all of the activities inside PCB lay on CPU ic, you will find it inside power section with name mediateck, this is the CPU.
Working of cpu in Tecno T340 PCB;
1.power on off.
2.ringer and earpiece.
3.network.
5.keypad and disply.
6.everythig.
Now if you have Tecno T340 mic problem after replacing with working one and the mic not respond just change the cpu that is it. Remember if you don't know how to reball CPU please waits for our next update with video tutorial on how to reball any cup with local tools, and I am sorry for not placing image as well , due to some reasons and I will update it soon just keep sharing and comments .your comment are reviewing always the reason why we don't reply you is this we have no time is not like before but Insha Allah I will find time for your comments thanks
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