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Repair and disassembly information for the second-generation iPhone SE that was announced and released in April of 2020.

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iPhone SE 2020 having issues after battery replacement

Recently replaced the battery on my iPhone SE 2020. After I finished the battery replacement, the phone wouldn’t turn on. I plugged it in and it booted, but the power button no longer worked. I ended up replacing the power button cable connector and it started working, but the logic board, where the A13 chip is located, started heating up like crazy and the phone shut off due to high temperature. I carefully disassembled and reassembled the whole phone, which seemed to have fixed the issue. Then, the rear camera stopped focusing. I had an iPhone 8 camera module lying around so I swapped it in and it still wouldn’t focus. I decided to clean out the inside of the camera lens with rubbing alcohol and try again. After that, the camera started working properly . I resealed the phone with a Display Adhesive, and when I turned it back on, the camera couldn’t focus again. I thought it might have been a software issue, so I decided to do a factory reset on the phone. After the phone was reset, I tried to set it up again, but it would give a “unable to activate” alert. I then connected it to a mac and tried to activate it, and the mac also said it was unable to activate (see photos). Is there anything else I could do?

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Can you check to see if the device is able to report its IMEI number? As in, it shows up in settings? If it says "N/A" next to IMEI it might have a board problem.

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I can’t check in settings since it won’t activate, but in the the “hello” screen of the phone when I click then “i” in the bottom right corner it doesn’t give an imei, when it normally does

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I encountered a comparable issue with two separate iPhone 8 devices. While attempting to disconnect the battery and throughout the repair process, I accidentally made contact with the logic board, causing damage to some of its components. As a result, the iPhones failed to charge properly in both cases and remained stuck at 1% battery, besides being on a boot loop. I decided to seek help from a micro-soldering expert, who successfully repaired the devices. Probably pry damage... manipulation.Pry damage (Signs and Prevention)

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Oh ok thanks. Now that I remember, I think I did accidentally damage the logic board when I was taking it out for a power button repair. There is a hidden screw next to the camera that is hidden under adhesive. When I tried to take out the logic board it may have bent a little, but I didn't think anything of it since the phone still booted up. I was gonna give the phone to my little brother as a birthday present, so I ended up just buying a destroyed iPhone SE off of ebay for 50 bucks and transplanting the logic board and home button and it works great now. Thanks for the help!

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It happens... In my first repair attempt, I snapped an iPhone 6 board in half thinking "All it needs is a bit of wiggling and it will get loose"... xd

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Maxim M will be eternally grateful.
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