How Do You Know When Iphone Battery Needs Replacing. There seems to be a magic number when it comes to the number of months in which your iPhone battery seems to perform at its best. And if youve owned the same phone with the same battery for 18 months or longer theres a good chance your battery is in need of replacement.

On the other hand if youve seen a devices battery life decline sharply and you need to go longer between charges its probably time to replace the battery. The error message mostly appears on iPhones operating on iOS 1021 through iOS 1126. Ad We can fix the battery on the iPhone 6 while you wait for 4495.
We all know theres no exact science when elements like heat and moisture are involved.
Go to Settings Battery. The error message mostly appears on iPhones operating on iOS 1021 through iOS 1126. You cant get iOS updates any longer. These can be found in Settings Battery Battery Health.
