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iPhone 7, ios 15.5, battery drain . . .
Posted by: mspace
Date: May 21, 2022 11:37AM
I was on 14, but was having some other issues. Decided to update. Oy!

Have tweaked ALL the settings I could find regarding battery issues, rebooted, turned off unused apps, etc.

Still happening. Anyone know some deep voodoo that can help?

Thanks!
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Re: iPhone 7, ios 15.5, battery drain . . .
Posted by: wave rider
Date: May 21, 2022 12:14PM
I'm trying Dark Mode on my 12promax, it might be helping incrementally…



=wr=
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Re: iPhone 7, ios 15.5, battery drain . . .
Posted by: Tiangou
Date: May 21, 2022 01:00PM
When you rebooted, did you do the ordinary swipe-to-power-down or did you do the force-power-down?

I always have battery-drain problems after OS upgrades when I don't remember to force-reboot after the update.



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Re: iPhone 7, ios 15.5, battery drain . . .
Posted by: chopper
Date: May 21, 2022 03:32PM
"Never upgrade" --Chopper
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Re: iPhone 7, ios 15.5, battery drain . . .
Posted by: Forrest
Date: May 21, 2022 06:16PM
The iPhone 7 was released on 9/16/2016. It’s nearly 6 years old. Have you replaced the original battery?
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Re: iPhone 7, ios 15.5, battery drain . . .
Posted by: RAMd®d
Date: May 22, 2022 05:58AM
Anyone know some deep voodoo that can help?


It won't help you fix the problem, but coconutBattery may give you a better idea of your 'Phone's health than the iOS battery app.

It's a free download with an option to upgrade to a Pro version for $10.

I can't see that, myself.

But download cB to your Mac, connect your 'Phone to it, and check your current maximum capacity compared to what it was when it left the factory, and observe your cycle count.

Apple says it's time for a new battery when max capacity is down to 80%, and that you should get 500 cycles before that happens.

Apple removed the cycle count from iOS some time ago, and cB makes it easy to see.

A force restart may be all you need to get sorted, or the new update may have just pushed your battery over the edge.

Apple removed the cycle count from iOS some time ago, and cB makes it easy to see.






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Re: iPhone 7, ios 15.5, battery drain . . .
Posted by: mspace
Date: May 22, 2022 08:18AM
I have replaced the battery previously.

Coconut is showing 98.3% design capacity. Cycle count is 614.

I did hard reboot of holding down both volume and power buttons.

If this continues, I'm considering doing a complete reset. Will I be able to restore from my iCloud backup and have my phone back to where it was?
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