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4세대 iPhone. 수리는 간단하지만 앞면 유리와 LCD를 하나의 유닛으로 교체해야 합니다. GSM / 8, 16 또는 32GB 용량 / Model A1332 / 검정 또는 흰색.

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No service, low signal after replacing backplate

I bought a rear plate, i repleaced it carefully as mentioned, but after that, my internet is gone, low signal, or even no service. I put back the original one, but the problem is still on. :( I was very careful.

Thanks

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There is an antenna behind that backplate, check if you have damaged it as its very fragile

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What you mean behind? On the other side of the backplate, or on the iPhone's back? I checked the everything, but everythings seems to be ok, but as i said, i was really careful and not playing any parts of it just changed, but after changed back its still bad:S

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the service sticker attached to the speaker unit has a small diode that needs to be reconnected.

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reconnected to the motherboard.

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