Why iOS 11. 3 Reports Battery Status 'Maintenance'?

This guide covers why iOS 11. 3 reports battery status 'maintenance'? with practical context and easy-to-follow details. Use it to understand the subject and apply the information confidently.

• How to check battery status and turn off iOS 11. 3 performance
• What do you need to prepare for iPhone while waiting for iOS 11. 3?
• Guide to downgrade iOS 11. 3 to 11. 2. 2, 11. 2. 5

Specifically, according to some of you, when iOS 11. 3 update is officially successful, go to Settings (Battery)> Battery (Battery)> Battery Health (see Battery status), the item "Maintenance" appears. "and can not select to see as shown below.

By studying some Apple documents, there is no mention of this item. However, it is known that most of those who encounter the above situation have one thing in common: they have replaced batteries at outside stores. Thus, it is highly likely that users have replaced non-genuine batch batteries and Apple will not support this feature with the battery replacement.

Until now, it is unclear what other possibilities lead to this situation. If this feature is displayed, Maintenance for a batch battery is also a good test for you when buying a device.

One more question from some of you is why there is no Battery health in the Battery section of iPhone 5s. The answer is that Apple only provides features to view the device's battery status and turn off the iPhone slowdown feature for iPhone 6 and above, but unfortunately for iPhone 5s, "Apple house" does not support the calculation. This feature.

Hopefully, the above information can help you "solve" your questions. In addition, if you still are unsure how to upgrade the latest iOS update, please refer to the official iOS 11. 3 Update Guide to turn off the iPhone slowdown feature to know how to do it.

Having fun!