Half a year ago, I went to a third party technician because I was experiencing unexpected shutdowns. My battery health was 85% at the time. I thought it would just be a simple battery replacement, but they said it was a logic board problem, so I had it repaired. Three months passed and I was having unexpected shutdowns again at increasing rates, so I took it to the same shop and they said I needed to have my battery replaced, which I did. Unfortunately, I can't see the battery health now since it was replaced with a third party battery. After a month, I experienced unexpected shutdowns and the shop replaced the battery for free saying it was faulty. But immediately after I got my phone back, I had unexpected shutdowns again. I took it back to the shop, but they didn't encounter the problem at all, and assured me that the battery and logic board were okay. I took my phone home and it was fine at first, then I experienced unexpected shutdowns again at increasing rates.
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I have tried factory resetting and restoring from back-up, but the problem remains. Is this a software problem or an undiagnosed hardware problem? I was thinking of taking it to another shop to get a second opinion.
Half a year ago, I went to a third party technician because I was experiencing unexpected shutdowns. My battery health was 85% at the time. I thought it would just be a simple battery replacement, but they said it was a logic board problem, so I had it repaired. Three months passed and I was having unexpected shutdowns again at increasing rates, so I took it to the same shop and they said I needed to have my battery replaced, which I did. Unfortunately, I can't see the battery health now since it was replaced with a third party battery. After a month, I experienced unexpected shutdowns and the shop replaced the battery for free saying it was faulty. But immediately after I got my phone back, I had unexpected shutdowns again. I took it back to the shop, but they didn't encounter the problem at all, and assured me that the battery and logic board were okay. I took my phone home and it was fine at first, then I experienced unexpected shutdowns again at increasing rates.