iOS 16

Hamid081 Said:

"iOS 16: I updated my iPhone 12 Pro Max to iOS 16 yesterday, but the battery drains so fast as many people experiencing this problem please fix this problem. Apple!!"

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Troubleshooting a Draining iPhone Battery:

A. Battery Drain Info:

The iPhone battery will drain, unless it is plugged in and charging. With lots installed, the charge would be slower. As for how fast it would drain the battery, that would depend on the battery health and the volume (sound) you use.

1. Go Here: iPhone Battery and Performance - Apple Support
2. Scroll Down: to "Your battery's maximum capacity"

Verify the Baterry Health Percentage:

Apple recommends you get a new battery, once the Battery Health reaches 80% or lower. When the Battery Health is 80% or lower, it is time for a new battery. Unfortunately, these if no way to know how, nor when, then percentage decrease occurred. So see if it tine for a new battery...

1. Go To: Settings
2. Tap: Battery
3. Tap: Battery Health
4. View: [the percentage]
5. Is it 80% or less?  If so, it is time for a new battery.

B.. Troubleshooting the Battery:

• iPhone Battery and Performance - Apple Support

• Charge and Monitor the iPhone Battery - Apple Support

• About the Battery Usage on your iPhone - Apple Support

• About Optimized Battery Charging on your iPhone - Apple Support

• If you see "Your iPhone Battery may Need to be Serviced" - Apple Support

• Use Low Power Mode to Save Battery Life on your iPhone - Apple Support

Hamid081 Said:

"iOS 16: I updated my iPhone 12 Pro Max to iOS 16 yesterday, but the battery drains so fast as many people experiencing this problem please fix this problem. Apple!!"

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Report this to Apple:

Do your Part: Provide Apple with feedback on this, letting them know about this issue.  Apple may not get back to you directly, but the more feedback they receive on this, the more they will know what is occurring, and what bug fixes to include in updates to come.

1. Go Here: Feedback - iPhone - Apple
2. Select: "Bug Report" for the "Feedback Type"
3. Comment: that this all began after installing an update. Include the URL of this post
4. Proceed from there as necessary

This is a user to user forum, Apple is not here. Lick on Get Support in the upper right hand corner of this page to contact them.

You are welcome. Thanks for doing your part. It will help many, for certain.

Hamid081 Said:

"iOS 16: My battery percentage is 87%"

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Then you are fine for now. When it hist 80% or lower, it is time for a new battery.