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Some iPhone Models Mysteriously Shutting Off at Night

Something is definitely happening....
I plugged in mine tonight at 7.30pm to charge.
By 9.30pm Battery optimisation had kicked in and is saying by 3.30am the battery will be fully charged.
11.15am my Sleep/Focus enabled as usual.

Im sitting here in bed next to the phone and around 11.35pm my phone did the chime noise like when you attach a MagSafe item (im charging via lightning cable btw) and the screen lit up for a few seconds yet no notification or anything else besides the lock screen was shown.
 
Mainyehc said:
I guess the Apple Watch might still work and do the trick,
Click to expand...

It will work if you wear it to sleep. This is what I do and it is annoying AF in the morning but you _will_ pay attention to it because it's right on your hand. In silent mode the vibration is also pretty strong, so you won't miss it.

The watch might run out of battery of course, but watchOS will warn you if the battery is low. I wear my Ultra to sleep, so no issues with battery life there....
 
I have an issue that follows me since iOS 17 beta 2/3 my screen goes to Lock Screen while using the phone and now my iPhone 15pro is doing the same from time to time, luckily since 17.1 b3 it’s not a burning oven anymore.
 
scheinderrob said:
apple needs to do heavy layoffs and get some competent engineers.
Click to expand...
It’s not the engineers. It’s the managers.

Who pushes the deadlines and says “that’s good enough”? Promise it isn’t the engineering teams.

This is a systemic issue within apple at this point. Every team is pushed based on numbers and timing, and the culture seems to have changed, where the priority isn’t being right or the best, but to ship the most.

As a long time customer, it’s a bit of a bummer to see this happening more and more with Apple; but maybe it’ll lead to better things eventually. You have to fall down to get back up, right? Corporate edition?
 
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mine asked for my passcode this morning, but checked battery status and it hadn't switched off all night.
 
I’ve noticed my do not disturb has been turning itself off. It’s not on a schedule. I literally swipe down, turn on do not disturb and then put the phone to sleep and charge. Many times during the night I get woken up to my screen being on because of notifications. Can’t figure it out.

Ended up turning on do not disturb and turning my brightness all the way down. It’s annoying AF.
 
appleCakes said:
My iPhone 12 Pro rebooted yesterday around 8 pm, while plugged in. Actually I don't know how long it had been off, when I came to pick it up I saw it rebooting (white Apple logo). Latest iOS etc. Had never seen this before.
Click to expand...
Same but mine crashed which never has happened before.

Something is seriously going on..
 
Happening to me too. I thought it was StandBy crashing. I'm on Beta 3 and have standby set to be on all the time, yet all this week when I wake in the night standby is off. I have to remove it from the charger, unlock the phone and then put it back on the charger. I reported it as a standBy Bug to apple, but it looks like it maybe something a bit more serious!
 
I've also noticed my phone occasionally asking for my passcode in the morning stating it requires the passcode after rebooting. The battery charge history is also blank for some period during the night (probably whilst that happened). Luckily never had an alarm missing because of that.
Strange thing is over noticed it since iOS 16 and not only on iOS 17. The system logs also generates an entry called SystemMemoryReset when that happens. It has been reported here in the forums (https://forums.macrumors.com/threads/systemmemoryreset-overnight-while-charging.2362401/). Maybe two unrelated issues?
 
Happened again last night. This morning asked for password and it seems it was off between 2am-6am.
 
I've encountered this issue every now and then on my iPad (7th gen) for several iPadOS releases, since maybe iPadOS 15 or even maybe 14. Just the other day I woke up and had to enter the passcode due to it having apparently restarted overnight while charging.

I've never encountered this issue on any iPhone and certainly not on my current iPhone 14. I've always assumed it was some iPadOS-specific bug (possibly related to background processing) that Apple hadn't gotten round to fixing as iPadOS is a lower priority than iOS, but it seems that's not the case.
 
iPhone 14 Pro here on latest 17.1 beta, mine is doing this. I grabbed my phone this morning and was greeted with a prompt that my passcode is needed after iPhone restarts. Very annoying, hopefully they figure this out soon.
 
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Same issue here since 17.1 beta 2 on my 14 Pro.
The odd part is that it's not consistent. Reboots 2 or 3 nights in a row and then fine for one night.
I thought beta 3 would fix it, but same issue yesterday morning, but not this morning.
 
Obviously the 5G emergency message turned the phones into zombie phones under the control of the government to spy on you.
 
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