Phone keeps shutting off and restarts on its own after the iOS 26 update

Not sure where to put this but my iPhone 13 mini restarts at night on charge since iOS 26 (only notice this because I’ve got a SIM PIN set). Battery health is about 83% so not that. Anyone else seeing this?

Same, I just set up a new bought refurbished iphone 13 mini with new battery (100%) and it reboots randomly both while in use and when left alone.

I also have the issue with loosing my bluetooth connection ~ every 10 Min 😒.

I tried to disable all fancy ios 26 settings and did a reset but the issue didn't disappear.

“Would you suggest going through the steps you mentioned in this scenario without affecting any of my files and photos stored offline? Or would you suggest going to the service centre?”

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Boot Loop:

Having clarified it’s able to be used, then, perform what I mentioned is not applicable.

My iPhone 16 Pro Max is doing it and I’m only at 99% maximum battery health. My phone battery doesn’t drain but the phone overheats and now it’s shuts off randomly. I restarted it and it still does it. I’ve had this phone less than a year and it was fine until iOS 26 was installed.

[Edited by Moderator]

Apple’s advisor suggested to wait for the next update, likely next week. However, they should consider that we are using this as our primary mobile device.