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Version revisitée de l'iPhone 3G avec une vitesse de traitement plus élevée. La réparation de ce modèle est similaire à celle du 3G et nécessite de simples tournevis et outils pour faire levier. Modèle A1303 / capacité de 16 ou 32 Go / coque en plastique noir ou blanc.

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Touch screen is unresponsive

Did a battery replacement. In the process found the original battery had expanded and swollen, and warped the logic board.

Purchased a logic board on ebay, installed. Charged, see the apple screen, see the swipe bar to open, but the touch screen doesn't respond.

Double checked everything, and seems to be ok connection wise. I did have problems with the no 6 connection, but have no idea what that relates to. In attaching the no 6, it was difficult to seat, and don't know if the connection was good, or as secure as I'd like. May have to replace that tab completly. Also had a similar problem with no 7, which has the the same circular connector.

Does anyone know what no 6 and 7 relate to? Asked staff, they don't know.

Main question: what would cause the touch screen not to work? I have the original logic board, and carefully straightened the warped board back to flat, but would appreciate suggestions before I repeat the operation again.

TIA

Danny

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You could have damaged your digitiser cable during the repair. The digitiser cables are extremely fragile, and if they are damaged the your phone will not respond to touch. Try either using your screen on another 3GS, or a different screen on your 3GS.

Also-

No 6 Connector is Wifi Antenna

No 7 is Wireless signal antenna

Neither of these should cause the touch screen to be unresponsive, just bad wifi and GSM connection.

Last thing to check, is that the phone has started up properly before you try an use the touch screen. My 3GS takes 30 secs - 1 min after booting before the phone has started up properly, and the touch screen works.

Hope this helps.

Michael

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Danny sera éternellement reconnaissant.
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