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Repair information and guides for the Apple iPhone 5s that was announced on September 10, 2013. Model: A1533, A1453, A1457, A1528, A1530, A1518

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How can I tell if its a bad U2 IC?

I replaced a lightning connector on an Iphone 5s, when I connect the charger I get an image of a black battery with a thin red line on the left centered on the screen and at the bottom of the screen an image of the lightning connector and a bolt.

This was the first connector I replaced but I've worked on several phones for other issues with no problems so I'm 95% sure it wasn't the install. The phone's owner admitted that she had been using a charge cable she bought of Groupon. She said that when it was connecting that the battery was holding a normal charge over a normal period of time.

How can I tell if is a bad connector, bad battery, or bad IC chip? I have plenty of tools but I don't know the best way to diagnose which part is the culprit. I don't want to tell her to give me more money for a battery if I'm not sure if that will resolve the issue.

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How long did you charge it for?

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It was plugged in for several hours but always showed the connector icon and bolt with the empty battery

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Here is how to determine if its a bad Charging U2 IC:

  1. Power up phone
  2. Connect charge cable and note the charge percentage level.
  3. If after 10 minutes charge level percentage does not rise 1% or more then the U2 IC is probably bad.

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How do you know if the battery has gone bad or not

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PolishRifle will be eternally grateful.
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