Apple has admitted to a problem with the battery percentage display on iPhone 6S and iPhone 6S Plus handsets and has promised that a fix is in the works.
The flaw means that if a phone’s time zone is changed, manually or automatically, the percentage display for the battery doesn’t update, potentially tricking a user into thinking that their phone will last longer than it really will.
Users on Apple support forums have complained about this problem for several months. One comment dates as far back as September.
“My iPhone 6s Plus battery percentage gets stuck frequently. Like for example, it will say 87 percent all day, and then I'll plug it in for an hour, and it will still say 87 percent,” the person wrote.
“The only fix I've found is to power the phone off and then turn it back on. Then the percentage will update correctly, and will usually continue to update properly for a while. But eventually it gets stuck again.”
Another user with the same problem seemed to hit on the cause of the fault: "Software is confused when you change dates and times and doesn't know how to show true battery life. Pretty sure they can fix with update in the future."
Apple has now acknowledged the problem and promised a fix: “Apple is aware of this issue and is investigating the cause and a solution.”
In the meantime the company suggested that owners reset the device and stop changing the time and date.
The fix for the battery display problem may well end up in the iOS 9.3 update released to developers last week.
The newest update contains a host of new features, the most notable of which is Night Mode designed to reduce screen brightness on devices during the evening to stop bright phone screens affecting sleep patterns.
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