Iphone8+ randomly shuts down
I restored it and replaced battery twice. Is there a fix to last update?
User profile for user:
MichelleT18
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Community Specialist
Hi lhomstad,
Thanks for reaching out to Apple Support Communities. I understand your iPhone 8 Plus is shutting down unexpectedly. I’ll be happy to help.
Did you have the battery replaced at an Apple Store? How long ago was this exactly? If you recently had the battery replaced at an Apple Store or Authorized Service Provider, this may still be covered and need to be looked at. Just to be sure, go to Settings > Battery > Battery Health and look at Maximum Capacity and see if Peak management has been enabled. It may provide info about your battery needing to be replaced there. For more info, review this article, paying special attention to the info under ‘Preventing unexpected shutdowns’ and ‘Battery health’
iPhone Battery and Performance
If the battery of your iPhone looks ok there, go through this link for more info on what may be causing this:
About iOS performance on your iPhone, iPad, or iPod touch
Let me know if this helps.