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Hello, i had a very bad luck with my iphone SE which jumped out of my trousers right into the closing doors of my car. The result of that was slightly bent back side of the phone with no visible damage to the screen or anything other than the back side. The phone seemed to work without any problems so i thought i had more luck than expected after such accident. I tried to bend it back just a bit which quite worked and everything looked fine. Then after approximately two weeks without any other impact, i took my phone from the pocket, unlocked it, did few touches on the screen and the screen died. The phone looked like it was still working (it was vibrating when moving the vibrate/ring switch), so i tried to reset the phone without any luck (the phone seemed it did the reset but the screen was still not working so i haven’t seen it). Then i tried to charge the phone and it got really hot. So i unplugged it and disassembled it to disconnect the battery and check if the screen cables were attached properly. Everything seemed fine, i have just tried to disconnect and connect all the cables to see if it will make any change. After assembling the phone, i have turned it on - it started but without the screen working, but it also was getting hot even without being connected to the charger. So i unplugged the battery once again. After a while, i tried to connect it back but i didn’t turn the phone on - but it was still getting hot (the source of the heat was somewhere under the place where the screen cables connect). Last chance - i tried to assemble the phone and connect it to the computer before it started to get really hot - it looks like it wants to communicate with the computer, it also played the charging chime but the phone is locked with the code which i cant enter because the screen is not working so i can’t see if the phone itself works. My first thought was that the screen died - i can still try it with a 5S screen from my wife’s phone. But why is it getting hot (from the A9 chip from the placement i guess) even when it’s not powered on, only connected to the battery? Can the logic board be damaged, even if it still seems to boot the phone, vibrate, play the charging sound and try to connect to the computer? Thanks for any help.
Hi Tomas. With the logic board removed, connect just the battery and see if it gets abnormally hot. You could also try to connect just the battery and charge port to see if your computer will recognize the board. Sometimes, due to physical damage, the rear or front camera can be damaged such that it will cause a short or draw excessive current. Try to eliminate almost everything, hence my earlier recommendation. If you suspect a logic board issue (as I do), then you are correct, Apple will not repair it. If your SE is under warranty or AppleCare you may get to replace it for a reasonable cost. Otherwise, I suggest you find a micro-soldering repair shop as they may be able to troubleshoot and repair your phone.
Hey Tomas Kelement, Short answer: Your phone can still perform certain functions with a damaged logic board. Longer answer: The fact that your phone is getting hot screams to me that there is a short. That short can be in many different places. If possible, open the phone and take a close look to see if there is any visible damage on the logic board. The fact that the entire phone is bent is a little scary, as bending a circuit board can easily result in a short. Try disconnecting the display assembly and connecting the battery. If the phone STILL gets hot, then you know the display assembly isn’t where the short is. I sincerely doubt this will be the case. You can progressively try to pinpoint the issue this way. I think the starting place should be to closely visually inspect the logic board though. Let us know if you have any luck finding an answer!
