Samsung SM-G900f Mic problem repair solution

What is Mic fault ?
When your phone's outgoing voice is not listening from reciever's end.
This is called mic fault, sometimes mic is not faulty but its related parts are
damaged.
Solution: First we need to replace the Mic, i hope your problem will be solved.
But if problem still there then replace the mic regulator U805.
After the replace of mic regulator, i hope your problem will be solved.
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Samsung S6 G920 call sensor not work problem solution

Problem: Mostly we see a fault when calling sensor not work during call, the phone's display off  or on during calling means this function not work properly.
Causes: Mostly it happens when phone fell into the water and take moisture in it.
Solution: First need to replace the sensor, if problem remains then replace highlighted zener diodes from
another phone. After the apply solution, your problem will be solved.
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