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Discuss 3g Touchscreen not working at the Hardware - Hackint0sh.org; Ok, so I have 6 iphones and been at this for a while. Have a ...
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    Default 3g Touchscreen not working

    Ok, so I have 6 iphones and been at this for a while. Have a 16g 3g that I replaced lcd and digitizer/screen....two screens later I can't get the touchscreen to respond. Recognizes phone, updates fine, receives text messages and calls, but can't respond. Ribbon is seated fine yet no response. Oddly enough it seems to have difficult time charging and get's warm...any suggestions? It had been dropped with cracked glass and white screen but still functioned...



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    It sound like a grounding issue.
    Check the copper contact pin on the motherboard that is supposed to touch the bezel. Also check the pogo pin from the charge dock assembly to the motherboard. (under the part of the motherboard that covers part of the charge dock assembly)
    You would have to pull out the motherboard to check it.

 

 

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