Hi. I had this exact same problem after replacing a cracked screen. The first couple hours it turned on just fine, but would randomly shut off, and the same the next morning. So I took the phone apart to make sure all connectors were cleaned with alcohol and firmly in place and that none of the screws were loose.
But now It would power on and work perfectly only when plugged into a wall, but would immediately shut off when unplugged and would do nothing when plugged into the computer. What was even more frustrating is that the phone did show the battery, it's % (almost full), and showed charging.
One last try, I opened up the back and took out the battery, as I unscrewed the tiny grounding piece near the vibrator, I wasn't sure if I had it the right way. I checked the pictures in the guide it looked like it might be upside down, so I flipped it, put the battery back in and presto, my iPhone worked again, WOOHOO!
Funny how it can be something so simple sometimes.
I've spent hours looking for an answer to a problem and have it be where I can't even find the subject, let alone a solution. So hopefully this will be helpful to someone.
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I seem to have found myself with this problem, my phone was running iow4.3 and I jb so I thought it was that, I did a factory restore and it did t work, I can only use the phone if it's plugged it.
I haven't put it in rice because I don't think it's gotten wet
Should I just replace the battery ?
von rjnior
That's what I would do. It sounds like your battery and it gives you a solid starting point. This way you know that your battery is not part of the problem and it makes it easy for any further troubleshooting, if that should be necessary.
von oldturkey03
yep, this battery if original is probably at the end of it's life.. 3years old?
von pollytintop
I have the same issue and it is the result of water damage. Did yours get wet at all? I was able to fix my issue by leaving it plugged in for about 14 hours. Miraculously fixed it. After replacing the battery though I am not getting the same issue.
von Nick Summy
Hey Nick, thanks for your response. I'm not sure about the water damage (the seller says no, but I bought used and it looks like the iphone had previously been opened and tampered with). I tried leaving it plugged in for over 14 hours - no success. Based on your suggestion, I've ordered a new battery so we'll see if that works. Any other suggestions are welcome!
von james
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