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Why and how do I fix the new issue with battery drain after updating to iOS 11.4? Before updating, might loose as much as 10% overnight on my 6s. After update it now drains completely from 100% over the course of the night to the point that it won’t start until I plug it in and let it charge a bit. iPad air2 drains much more as well, but not to the same extreme.
iPhone 6s, iOS 11.4
My iPhone 6S was loosing 30 - 40% overnight on standby after updating to 11.4. I tried virtuall all recommendations over a 4 day period. I finally gave up and rolled back to 11.3.1. Now only drains 0 to 1% overnight. Pretty clear apple needs to step up on this one.
Took 3% while writing post above!!!
How did you down grade?
Nope, that didn't work!!!
How can I roll back the software.
It is my understanding that it is too late to rollback. They take away the last update really fast. I googled it and have not found anyway to go back to previous update at this point.
You can’t! Not in the official way! F Apple, they still haven’t released a new version to solve this issue!
Same problem on an iPhone6. Solved by backing up on iTunes and restoring!
It’s mean you reset your iphone after backed up and then restore it again ??
I read when you do a restore it doesn’t change the operating system
And if you wipe it clean apple doesn’t give you a choice of which version, you only get the latest
Did this work? I read the back up only covers your personal stuff not which iOS version
Tried that a couple of hours ago. Charged to 100%, I’m down to 61 now (63 when I started this reply. So far it doesn’t seem to work... Total reinstallation which took me a few hours.
Only backup and restore. No reset at all. This worked for me.
When you backup and immediately restore you get exactly what you have. But some configurations are reset. This did the trick in my case, and now the battery is working as expected.
Ok, i’ll try it. Hope it will be fixed the problem
Been trying to backup and then restore it again, but unlucky battery still draining
iOS 11.4 Battery Drain!
