iPhone 4 reverb/echo with backcover on

Question

iPhone 4

iPhoneの第4代目で、修理はそのままパーツを直接交換するだけです。しかし、正面ガラスとLCDはセットで交換する必要があります。容量はGSM / 8,、16m32 GB / モデル番号 A1332 /本体カラーは黒と白色

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Hi

have an iphone 4 where I recently changed the mainboard.

After reassambling everthing, my call partner told me, that they always hear their voice when we are on phone calls....Kind of an echo of themselves

After removing the mainboard and assembling it again, I realized, that the problem only occures, when the backcover is on the phone??

Did anybody ever witness this problem? or can anybody tell me if it's causes by the frame or if it is a mainboard issue???

does anybody have a solution for it....

thank you in advance

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Dan @dan63251 評価: 121 3 1 1 · Answer 1 · 2013-08-27T17:43:40-07:00

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That problem can happen when the bottom microphone gasket isn't inserted into it's hole on the bottom of the phone.

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