Call problems, changed antenna, nothing change

Talk specifically about iPhone 4 & 4S here.
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seckinb
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Joined: September 24th, 2014, 4:37 pm
My Device: iphone
I've owned this device for: A year or two.

Call problems, changed antenna, nothing change

Post by seckinb » September 24th, 2014, 4:49 pm

Hello,
iphone 4S, 16 gb , black.

GSM signal (fine)
call quality bad (both with speaker and earpiece)
sudden interruptions
same sim card/ different phone works fine.
the proximity sensor closes lcd but not digitizer so when you talk it can mute it.

I replaced antenna
then replaced proximity sensor

nothing changed.
This problem started right after I crashed my lcd.

lcd normally works fine, but what is going on?

RapidRepair
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Location: Kalamazoo, MI
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Re: Call problems, changed antenna, nothing change

Post by RapidRepair » August 15th, 2016, 4:52 pm

Sounds to me like a mainboard issue... Bite the bullet and upgrade to a new iPhone!

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