Apple has a workaround for iPhones with a battery percentage indicator that won't update
You might have noticed a disconnect between the battery percentage indicator on your Apple iPhone 6s or Apple iPhone 6s Plus, and the actual battery life you've been getting. But the good news is that Apple has noticed this issue, too. On Apple's support website, the tech titan says that the battery percentage indicator could stop working on units that have had the time changed manually. The problem could also rear its ugly head on models that have been carried through different time zones by a traveler.
With the battery percentage indicator failing to update, iPhone 6s and iPhone 6s Plus owners could think that they have more battery life on their handsets than they really have. You can imagine what the fallout would be in a situation like that. Apple does offer a workaround. Restart your iPhone, go to Settings > General > Date & Time and make sure that the setting for Set time automatically is turned on.
source: Apple via AppleInsider
If you try the workaround and the problem happens again, Apple says that you should contact Apple support. Meanwhile, the company is investigating the cause of this issue and hopes to soon have a solution (which would probably be offered in a future software update).
source: Apple via AppleInsider
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