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这款4.7英寸iPhone于2014年9月19日发布,是iPhone 6 Plus的缩小版。

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Why is my iPhone overheating after replacing the screen?

My screen was broken so i bought a replacement screen off of eBay. While repairing it, I damaged one of the connectors leading to the home button, so I had to replace the metal shield, which took a few days to arrive, so I used the phone without having a functioning home-button for a while.

During this time, the phone overheated while charging and even during extremely light usage. Also, my battery will last only about an hour of usage or a day of standby time. In settings it says the App Store used 67% of the battery the last 24h, with 1 min onscreen time and 4,9h background activity. The heat seems to be coming from the CPU I believe...

At first I thought maybe it was because of a bad/cheap lcd so I bought an LCD which seems to be OEM but repaired as the screen has some bright spots compared to the rest, but this didn't solve the problem.

Today, the metal shield arrived and I repaired my phone again, gaining the home button and touch id function, but without solving the overheating problem.

All help is welcome

Note: I installed the newest iOS 10 developer beta today, but the phone has been running developer betas (iOS 10) ever since thy came out and it has been working fine before the screen replacement.

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Update:

I noticed that the phone seemes to cool down quickly when low power mode is activated.

Is there anything deactivated in low power mode that causes the overheating issue?

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1个答案

The overheating problem is most likely damage to a power IC. You stated you damaged one of the connectors going to the home button. It also sounds like you damaged a power IC or the battery connector, which overheating is a classic symptom of.

Pull the screen and the battery. Check out the battery connector on the motherboard and inspect for damage. Did you bend or break any of the pins? Also check the ICs located near the battery connector. See if you can see any that are damaged or an area where one is missing.

This one is usually a pretty easy fix but it does require soldering skills.

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