How do I calibrate my iPhone 4s battery?

How do I calibrate my iPhone 4s battery?

How to Calibrate an iPhone Battery

1. Step 1: Drain the Battery. The first step is to completely drain your iPhone battery.
2. Step 2: Wait Three Hours.
3. Step 3: Charge Your Device.
4. Step 4: Drain Your Device.
5. Step 5: Wait Another Three Hours.
6. Step 6: Charge Your Device.

How do I know if my iPhone 4s battery needs replacing?

Signs It’s Time to Replace Your iPhone Battery

1. Your iPhone Shuts Down Suddenly. If your iPhone unexpectedly shuts down when the battery still has a good charge, it isn’t a good sign.
2. Your iPhone Works Only When Plugged In.
3. Your iPhone Is Hot to the Touch.
4. Do You Need to Replace Your iPhone Battery?

Does iOS 14.7 fix battery drain?

Users report that iOS 14.7. 1 has been hit particularly badly with battery drain problems, so hopefully Apple will fix it in the next update. Check Settings > General > Software Update to see if one is available.

Can battery health go back to 100?

You might think that because your iPhone’s maximum capacity begins at 100%, it’s the only condition that can be considered optimal. However, that’s not quite true. Apple considers any iPhone with a battery capacity of 80% or above to be in optimal condition.

Why does iOS 14.6 drain battery?

MacRumors astutely points out that unusual battery drain is to be expected after an iOS update “due to the system reindexing Spotlight and conducting other housekeeping tasks.” Still, the battery drain issue is impacting users who updated to iOS 14.6 weeks ago.

Does iOS 14.3 fix battery drain?

According to him, with the latest 14.3 update, there has been a significant decrease in his battery life. Despite trying many solutions, nothing seemed to stop the battery from draining.

Why is my iPhone battery dying so fast?

If your iPhone battery is draining fast, a slew of factors can be responsible. Start by checking your battery’s health in the Settings app; it might be time to replace the battery. You can also see which apps drain your battery the fastest, control your screen brightness, and disable location services.