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L'Apple iPhone 5s è stato presentato il 10 settembre 2013. La riparazione di questo dispositivo è simile a quella dei modelli precedenti e richiede cacciaviti e strumenti di apertura. Disponibile nelle versioni GSM o CDMA con capacità di 16 , 32 o 64 GB nei colori Argento, Oro e Grigio Siderale.

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Touch don´t work aften LCD replacement

Hi

I´m new at the forum and I hope you can help me with a problem. I have replaced my LCD on my iPhone 5s. Aften completing instalation the image was perfekt, but the touch did not work. I put the new LCD on another iPhone 5s and it worked fine. Before I tryed the other iPhone 5s, I tryed to reconect the battery and LCD, but it did´t work. Is it the main bord? I am gratefull for any help.

Risposto! Visualizza la risposta Anch'io ho questo problema

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Soluzione Prescelta

If bad connection between flex cable connectors for front display assembly, you will need to straighten out the connectors if they look slightly bent. You can do this by hand.

I've also had one case where the gold pin thing inside the connector was sticking out of place and had to push it back in place to get the screen working properly. This particular issue only happens if the plug has become damaged after failing to plug it in (and probably force it in) properly to the logic board.

As you've put the LCD on another iPhone and works fine, then the two solutions above will not work for you.

Check if any logic board display pins if they are bent, have any water damage, burn marks or any corrosion (Corrosion is usually identified by green markings on the motherboard, the white stickers LCI indicators. If these have turned red that means the phone has been in contact with water damage internally.

Another reason could be the display IC chip causing this issue. Which is fixable but it's not easily done as the chip would need to be heated up at a certain temperature to take off and put a new one on. If I'm correct, these are called BGA board repairs.

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Could just be a poor connection on your ribbon connectors, flanges on connector could be slightly off or bent, or you just got a bad replacement.

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Frank Sperre sarà eternamente grato.
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