iPhone 7 microphones not working during calls only

Fozzo 07/31/2019

I have an iPhone 7 which has microphones not working only during calls but all microphones works in video and all other apps. The iphone had a cracked baseband pmu ic which didn’t make it boot. It had a short bootloop. I changed it then it boots correctly but had microphones problem. I already change audio ic and i made c12 jumper. iPhone boots correctly and fast but microphones still not working during calls. I took off audio ic again and I made four jumper than I put a new ic bust still microphones don’t work only during calls. Any suggestions please?
Answers

REWA

08/08/2019

Check other circuits of audio IC whether disconnect or not. It also may be caused by soldering of baseband CPU.

Yanis Fredj

08/06/2019

Have you checked related circuit of iPhone 7?
Contact Us

Address:

Dalang Street, Longhua New Zone, 518000, Shenzhen, Guangdong Province, P.R. China

ABOUT REWA

REWA is a world leading electronics repair business solutions provider who was founded in 2008 in HongKong. We are committed to delivering one-stop services covering Sourcing Solution, Technical Support Solution as well as Recycle & Resell Solution.

FOLLOW REWA