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El iPhone 5s de Apple fue anunciado el 10 de Septiembre, 2013. La reparación de este dispositivo es similar a los modelos anteriores y requiere destornilladores y herramientas de palanca. Disponible como GSM o CDMA /16, 32, o 64 GB / Plata, Oro, y Gris Espacial.

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iPhone 5s U2 IC problem?


I think my phone has a broken U2 IC, When I plug the phone into the power outlet it shows that needs a charger.

When I connect it to my pc nothing happens, not even a connection sound.

Is this normal for a broken U2 IC?

Thanks for the help.

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pls help me. i need to restore my i phone 5s. the problem is, it will not open up, only apple logo will show. even i force restart the same happen. only apple logo will show until the phone drain its battery. what is the cause of it and how to resolve this. tanx

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Good day

My iPhone was battery low,so I connected to a power bank,then Immediately it went off and couldn’t power again

What’s the problem and how can it be fixed pls

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iPhone 5s

- I insert the charger lead when the phone is off, the phone starts up with apple logo and starts charing

- When I insert the charger lead after a restart or reset the phone responds instantly - as it should

- But if I take the lead out and insert back in, the phone does not respond: no beep and no electric charging icon next to battery icon. But if I leave the charger in, it the phone responds after about couple of minutes, and starts charging

- If I take the lead out from the phone wil battery fully charged the battery drains in about an hour or so even when the phone is not being used.

Kindly help!

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hlo sir a problim in my i phone 5s problim is i am conting chargi in my phone power on butt steel red light bling and power off can u solved.

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Yes, that's typical for a blown U2. But it's also typical of a dirty dock/lightning connector or a faulty dock connector flex. So first clean the dock connector with an alcohol wipe or similar, and if that doesn't work try a new flex. Replacing the U2 IC is beyond most people's abilities - it may look simple in Youtube videos but it takes a fair bit of skill and experience.

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Also, as a follow-up, the cause of a blown U2 is almost always a faulty charger or cable. So dump/replace your cables before reconnecting that phone or trying to charge any other phone. Also, if you read around you'll see it's possible to solder in a jumper to bypass the U2 IC. Don't do it - if you have another power supply issue it will be much, much worse for you.

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i have a also a problem, restarting when its sleep mode but while I using my phone its normal nothing happen. When its sleep mode it is restarting over and over again

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Charging the iPhone by connecting it to a computer VIA the USB to Lightning adapter is awfully slowly. Just get a wall charger adapter (the USB connects to it and it directly to the wall.  Two posible problems you can find even if using the wall charger are:

  • The charging dock is dirty or lousy, or both things at the same time. The solution is cleaning it.
  • The U2 IC Chip is faulty. It can degrade within five years of use.  years. if you’re not familiar with the battery and U2 IC Chip replacement,  just find a service that can work with both. The Chippy replacement will be quite expensive, so my advice is to do the work only from the iPhone 5s  and over. Talking of the 5s, I bought one in Jan 2014, and it keeps working. No battery problems,  and the Chippy is still sound

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