So, you just updated to iOS 13 or 12 (or even iOS 11 if you like to wait) and your battery case or powerbank stopped working. Which version of iOS are you on now? Who knows, I have gone through four updates myself and just got to 12.1.4.
Apple iOS can be picky about accessories. The Apple customer forums have articles about this issue every time they update iOS. You may have seen the "Accessory Not Supported" error.
(Apple iOS doesn’t always report the error: "This accessory may not be supported" – sometimes the battery case or power-bank turns on and the phone just doesn’t start charging).
This article applies to battery cases for iPhone 6, iPhone 7, iPhone 8, iPhone X, iPhone Xs, iPhone Xr, iPhone Xs Max and iPhone 678 Plus models. Including Anker, LUX, Moment, Mophie, and even Apple branded battery cases.
Update: Just saw this new iOS 12 Charging Problem.
Apple's iOS 12 update is causing sporadic issues with iPhone charging. I also had this problem with my phone, and had to reboot it multiple times before it would start charging. Didn’t matter if I tried wireless charging or plugged it into the wall.
While you are regretting the hassle of upgrading iOS constantly, take a minute to read this great article on new iOS features from TechRadar. Or, maybe more importantly depending on which model iPhone you have, Why You Still Shouldn’t Download iOS 11 on an Older iPhone. But you should upgrade to iOS 12 on an older phone. Thanks Lifehacker.
Sorry for the hassle, and thanks for being a customer.
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