iPhone 5 shutting down

Question

iPhone 5

Sesto modello di iPhone Apple, annunciato il 12 settembre 2012. La riparazione si fa in modo simile alle precedenti versioni di iPhone e richiede cacciaviti e strumenti di apertura. Disponibile con tecnologia GSM o CDMA, con 16, 32, o 64 GB, nero o bianco.

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Anon545454 @anon545454

Rep: 11

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Postato: 6 mar 2017

Opzioni

iPhone 5 shutting down

So alike to my 5s, my iphone 5 is having the exact same problem (batt died, didn't change it till about halve a year later), its shutting down by itself when not in use, what's different is that there are lots of panic code in the diagnostic.

Problem:

Phone keeps shutting down when not in use, changing battery doesn't solve the problem.

Question:

Which IC is broken? Or what else could it be?

PS.

Reset, restore did nothing, also tried removing the proximity.

Rispondi a questa domanda Anch'io ho questo problema

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Ben @benjamen50 Rep: 159,7k Mtwo Perform 11 191 368 · Answer 1 · 2017-03-07T01:18:50-07:00

Risposta Più Utile

Ben @benjamen50

Rep: 159,7k

Mtwo Perform

11

191

368

Postato: 7 mar 2017

Opzioni

Power management IC no doubt. U2 Tristar Charging IC does not cause this.

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4 Commenti:

I have an iphone 5 with the same prob, so U2 of both phones busted?

7 mar 2017 da Anon545454

It's not U2 it's PM IC.

7 mar 2017 da Ben

If the main power ic is busted it won't even turn on right?

7 mar 2017 da Anon545454

No because I have a iPhone 6 with this exact same issue which causes intermittent shut down issues (Already tried another battery).

7 mar 2017 da Ben

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Lettucejuice @lettucejuice Rep: 199 5 · Answer 2 · 2017-03-06T09:51:43-07:00

Questa risposta era destinata originariamente a un'altra domanda.

Lettucejuice @lettucejuice

Rep: 199

5

Postato: 6 mar 2017

Opzioni

Before you go into the motherboard troubleshooting I would suggest that you charge the battery up to 100%, open up the phone, disconnect the charging port and proximity sensor and see if it still shuts off. If the problem is gone then re-connect the parts one by one until the problem re-occurs.

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3 Commenti:

Proximity already changed as it was broken, didn't solve the problem. I will try to unplug the charging port as well, thank you, will get back to you in about 9 hours.

Previously I'd thought that unplugging the proximity oughta fix it, it didn't, so I changed it, didn't fix it as well.

6 mar 2017 da Anon545454

So far its still on, I'll see for a few days if it'll stay on like this, usually when batt gets around 70% it'll start turning off fast.

6 mar 2017 da Anon545454

To be sure that it doesn't happen during this activity, open up a 10 hour long YouTube video and let it run for a while

7 mar 2017 da Lettucejuice

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