1. iMore Question's Avatar
    So, I have this iPhone 4s, which was broken. So i replaced the screen. While I was replacing it, I accidentally broke the black wire that connects the battery to the motherboard. So I dont know if it works, and I dont want to spend money on new battery if the screen doesn't work. I also want to test the motherboard, since I replaced the screen because the old one showed blue vertical lines. So I need to be sure both screen and motherboard is functioning. Can you test it somehow without battery?
    03-27-2016 12:59 PM
  2. Honey Beagle's Avatar
    Maybe plug the phone into a wall plug socket. That possibly might work.
    03-27-2016 09:21 PM
  3. Rob Phillips's Avatar
    Maybe plug the phone into a wall plug socket. That possibly might work.
    I don't think the phone will power up without a battery, not even if it's plugged in.
    OP, your best bet is to bring it into an authorized service center and have them look at it.
    03-27-2016 11:19 PM
  4. pttptppt's Avatar
    It might work. I remember my old BlackBerry Z10 would work without a battery if it was connected to the outlet
    03-27-2016 11:28 PM

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