Categories: How to boost U Power Mic Volume video tutorial ! To solve this problem try this: install MTK enginering mode app/MTK sttings/hardware testing/audio/normal mode/type(mic)/change all LEVEL 0-14 value to 150 and save it with SET button/restart the phone and test Mic volume/ or just try dial this number: *#*#3646633#*#* I hope it will help you [...] |