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より早い処理スピードを可能にしたiPhone 3Gのアップグレード版です。このデバイスの修理は3Gと似ており、標準のドライバーと開口ツールが必要です。モデル番号 A1303 / 16 もしくは 32 GBの容量 / ブラックもしくはプラスチックの背面ケース

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3gs Static From Speaker, Then Reboots

Ok I have a 3gs 16gb that the sound is randomly cutting out. I get a loud static sound from speaker and then the sound cuts out. The phone then either reboots or just has no sound from speaker,mic, or earpiece. When I make a phone call the phone will connect but I cant hear them and they cant hear me.

I have since restored phone to factory and the phone still made same noise and reboot itself. I have updated software to latest version 4.3.5 but was occurring on 4.3.3 as well. I have opened phone to check connection of ribbon cables and all appear to be good. I checked for the two capacitors above the #4 cable and they dont appear damaged.

I've seen multiple posts with similar problems but no answers. As far as phone being opened replaced battery about 9 months earlier and had no problems with phone till recently. Phone was not dropped or wet. Thanks in advance, Steve

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Ordered up a flex cable and dock connector I'm hoping that will solve the problem.

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Installed new flex connector and dock connector and phone seems to be working fine. Flex cable is a PITA to replace.

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I do not know the answer to this multifactor problem, both speakers, sound, mic, shutdown etc. Most likely Logic Board. But some of the strangest problems of 3GS occur when the Flex Cable #3 is damaged or not inserted correctly (shorting system). I doubt this is the problem, but if you have the time and skill set, maybe replace #3. If it works great, if not, I warned you it was an out in left field long shot. If you decide to proceed before opening and during 3GS repair, make sure iPhone is OFF.

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I have the same problem. So you sure the dock connector replacement fixed the mic, headphone jack, speaker issue?

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I currently have the same problem. I changed the dock connector but didn't work.

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steve さん、ありがとうございました!
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