iPhone wont turn on after reassembley

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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Narayanan K.A @narayananiyer

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投稿日: 2017年9月6日

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iPhone wont turn on after reassembley

Hello ,

Following were the problems noted on my iphone 4 GSM

1) Cracked screen.

2) The opposite person cant listen to my voice.Probably the mic gone bad.

3) Vibrator malfucntion

I ordered a new screen and replaced it on the iPhone. But the iPhone wont turn on. I even tried the dfu mode using iTunes but the iPhone doesn't even get recognized nor gets charged.

I opened it up again and noticed that below the wifi antenna covering the board where the multiple ribbons get attached , a small piece is broken. im attaching the image of the broken piece which goes at the very top. The piece that is broken is the circular one.

What should be done now ? Any ideas ?

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6 件のコメント

I think i would be better to attach a picture of the board, where the part broke off.

Alex Niculescu さんによる2017年9月6日

Hello Alex. Its right on the top in the center. I just evaluated the phone with a repair guy and he told me the motherboard needs to be replaced with a Cost of 74 $. That's quite a lot for me. I need to get a workaround with my old motherboard only.

Narayanan K.A さんによる2017年9月9日

Hello Alex , have added an image. Kindly have a look.

Narayanan K.A さんによる2017年9月9日

Alright. So we're not going to deal with the other problems now. Let's just get the phone going to start. With these older models, you can plug it in, without the battery being in the circuit, and it should light up and show boot logo. Shouldn't boot up. But at least get some activity

iMedic さんによる2017年9月15日

Hi. I removed the battery and plugged it in. Still I see no activity whatsoever.

Narayanan K.A さんによる2017年9月15日

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I think i would be better to attach a picture of the board, where the part broke off. — Alex Niculescu
Hello Alex. Its right on the top in the center. I just evaluated the phone with a repair guy and he told me the motherboard needs to be replaced with a Cost of 74 $. That's quite a lot for me. I need to get a workaround with my old motherboard only. — Narayanan K.A
Alright. So we're not going to deal with the other problems now. Let's just get the phone going to start. With these older models, you can plug it in, without the battery being in the circuit, and it should light up and show boot logo. Shouldn't boot up. But at least get some activity — iMedic
Hi. I removed the battery and plugged it in. Still I see no activity whatsoever. — Narayanan K.A