Fix Xolo A500s low mic volume problem
If you are facing the problem with the mic of the phone where the receiver is unable to hear your voice . Luckily some users have found a workaround to this problem and if anyone else faces a similar problem they could give it a try.
First enter *#*#3646633#*#* on the dialer. This will get you onto the Engineer Mode of the phone. Then on this mode swipe sideways till you find 'Hardware Testing'. Then from Hardware Testing go to 'Audio' and then to 'Normal Mode'. This will open up Audio_ModeSetting. There will be a Type field with type set as 'Sip'. Tap it to bring a dropdown menu and select 'Mic'. After selecting 'Mic', on the Level field, change the values of all the levels (0-6) to 255. Set this value and go back. Once this is done, reboot the phone and check whether the phone mic works properly.
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