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Hi. I have an iPhone 5s that keeps shutting down randomly, several times a day. I have tried 2 new different batteries. But same problem. When plugged in charger it starts again with a lot of remaining battery. When replaced battery i did the battery calibration. Draining the phone to 0 %, charge to 100 % and force restart. Any ideas what this is. I replaced the battery in the first place because i started have the problem with it shutting down a 30-40 % power. Is this a software issue?? Best Anders Update (05/29/2017) Picture iphone 5s

Is your lhone not charging i mean it fake charges when not in use but when your using the phone the percent moves ?Maybe your FL11 is the problem try replacing it if not then maybe your port and at last Your u2 ic maybe the problem is your phone showing random battery percentage ?But i think you accidentally broke the FL11 while replacing the battery considering the fact that you tried other battery

I’m not saying this will work for you, but I had the exact same problem. I found a perfect, easy fix for this AND it’s a tension-release at the same time. Here’s what I did: I took my 5s and SLAMMED IT agains the wall as hard as I could. Then I jumped up and down on it repeatedly while cursing. Not sure if it was the slamming, jumping on or cursing that worked, but now it works great! It even talks to me and keeps me company when I get lonesome. Another phine product phrum the lovely people at Apple.

Well I have a similar problem. Actually my phone fell down hard on the ground and went off for sometime. I shook the phone and pressed the power button. It come on but I have been having random restarts ever since. My iPhone now goes off and I have to now press the power button again. It’s becoming annoying. Any suggestions please to solve this?

Restore the device as new, then restoring from a backup, but only do this after you’ve made a backup of everything on your iPhone 5s. Connect the iPhone to a computer and launch iTunesFrom iTunes, choose to “Back Up Now” – this will make a most recent backup of the iPhone and everything on it (you can also backup to iCloud if you want) – wait for this to finishWhen the backup is complete, choose to “Restore iPhone” from the iTunes optionsLet the restore process complete, when finished the iPhone will start as if it was brand new. In this setup process, choose to restore from your backup that you just made. Note that restoring the iPhone this way will also install the latest version of iOS available for your device.

I know the answer it’s get a new %#*@ phone