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第四代iPhone。维修过程直观易懂,但前置玻璃和LCD面板无法分开,只能作为同一零件更换。GSM版本, 8, 16, or 32 GB 容量 / 型号 A1332 / 黑色或白色

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iPhone 4 won't turn on (old and new mobo)

I was fixing an iPhone 4 and i think i damaged the motherboard (shorted it). The thing didn't blink afterwards, pluged in it was only chirping (no display). I tested the battery, which worked on another iPhone, a different battery had no effect.

I got a new motherboard now and it still doesn't do anything. There isn't even any chirping.

What else can i try/change?

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Have you plugged into iTunes does it reconise it??

I would have tryed a new display before getting a motherboard

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It was actually recognized yeah (the owner tried it).

I put the old motherboard in the other case (with a shattered display) and it works nicely. So i guess it really is the screen.

完成的

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