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Thread: Lockscreen light up every 25sec

  1. #1
    Question Lockscreen light up every 25sec
    Hi, I have problem with my iPhone.

    Lockscreen light up every 25s (for 7sec) after locking iPhone (sleep button). It is OK (no lighting up) when iPhone is connect to PC or charger, or sounds are off (silent mode button).

    Same on FW2.2 and FW3.0
    Any suggestions? I am afraid of HW problem.

  2. #2
    iPhone? More like MyPhone beav626's Avatar
    Join Date
    Feb 2009
    Oklahoma City
    Thanked 4 Times in 4 Posts

    I head this problem with my 1st Iphone. The Copper tabs in the dock were touching each other and causing the phone to light up ever so often. I ended up moving them out of the way and all was good.

  3. #3
    I clean and check dock from outside, it looks OK. I'm second owner and I found pink liquid sensor. Maybe first owner get some liq inside and it cause resistance in pin 21. More on Apple iPod and iPhone (2g, 3g) Dock Interfaces pinout and signals @
    First I try warranty service before disassembly iPhone

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