Battery not recognized message after iOS upgrade

I am facing a "Battery Not Recognized" warning and iPhone suddenly restarts and shows battery level as low; I have been using this phone for a few years now and never faced it before and Battery is genuine iPhone battery (never serviced). I am facing this specifically after iOS 27 upgrade. Any DIY resolutions? Already forced restarted. Unable to restart as iPhone restarts

Posted on Oct 31, 2026 9:21 PM

1 reply

Bob Timmons

Level 10 (199,348 points)

Oct 31, 2026 10:03 PM in response to DDUK05

The iPhone Mini was introduced in September 2020 and discontinued in September 2022. So, depending on when your iPhone was manufactured and when it was originally placed into service, the battery is anywhere from 4-6 years old.

In normal use, the battery was expected to go 2-3 years before it needed to be replaced.

That "Battery Not Recognized" message can appear when the Maximum Capacity of the battery has declined to well under 80%.

The solution is going to be a battery replacement at the Apple Store / Genius Bar or an Authorized Apple Service Provider (AASP). About $90-100 (U.S.).......assuming that there are not other hardware issues with the phone.......like the logic board.

You can find a list of authorized shops in your area using this link:

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