The Apple iPhone 5s was announced on September 10, 2013. Repair of this device is similar to the previous models, and requires screwdrivers and prying tools. Available as GSM or CDMA / 16, 32, or 64 GB / Silver, Gold, and Space Gray.

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iPhone 5S SUDDENLY stopped charging overnight!

So I got a second-hand iPhone 5S. It has very very low use and no sign of wear, was bought new in 2016. (Crazy, I know). The phone was dropped around 6 months ago from a very high altitude and even though that caused it a small spot on the screen, the AUX port wasn’t working and the back camera/flashlight wasn’t working, everything else was. So I got it, and after a WEEK of use, touch ID randomly stopped working, so I decided to update it to iOS 12 and see if it works but nope. No dice. It randomly stopped working. Fast forward to a week. I was charging my phone with a 3rd party cord (yeah, I know. I was actually waiting to get a certified cord) and it was charging! I go to sleep thinking I’d still have my phone next morning but nope! I woke up to my phone being absolutely 100% dead. Okay. I thought it was the cord that was finally dead. But I try to charge it with 4 different cords and absolutely nothing happens. It doesn’t charge. I try pressing the home+power button. Nothing. What could it be? I have a spare 5S with 4013 iTunes error. Do you think the charging port could be broken? Did that 3rd party cord kill my phone? I can’t afford a new one…

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Please note: An iPhone not charging is not always due to a bad battery/dock connector, but actually a U2 IC failure. How do you resolve the issue?


Don’t use low-quality charge cords, wall cubes, portable batteries and car chargers—like the ones you find at a gas station.

If it doesn’t have the MFI logo, it’s not safe for your device.

If you need your U2 IC repaired, there are shops that can do it for you, the average cost is somewhere around $100, often with a free diagnostic to determine the problem.

Here is a mail-in repair shop which offers this repair: iPad Rehab—they repair more than just iPads.





I can’t afford a new one…

Here are a couple free ideas:

  • Inspect the Lightning connector at the bottom of the iPhone for dirt, lint, and damaged pins. Clean out the dock connector very carefully with a tooth pick or soft toothbrush. If the dock connector is broken, you will have to replace it. iPhone 5s Troubleshooting
  • Try reseating the lightning/dock connector to the logic board. While you’re at it, check for any damage (bent pins, water damage) and debris. You can also clean the lightning/dock connector and socket with isopropyl alcohol. As always, be sure to disconnect the battery from the logic board before doing any of this. (I would also repeat this for the battery connector)

iPhone 5s Lightning Connector Replacement

  • Do you know if your other 5S’s battery is good? Why not try swapping your 5S batteries. You could do this with the dock/lightning connectors too.


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Thank you very much! This makes me feel a bit less terrified. I really hope it's not an U2 IC error, because if that's the case then my phone is dead. It was working just fine before :(


@migueltorres Good luck! Fingers crossed that it's just a dislodged cable. Be sure to report back!



Did you try to unplug the battery then put it back and press the power and home button?


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Miguel Torres crwdns2893898:0crwdne2893898:0

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