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iPhone 14 Battery Draining after update

Why My iPhone 14 pro max is drain battery after update to iOS 16.3.1


[Re-Titled by Moderator]

iPhone 14 Pro Max

Posted on Feb 15, 2023 4:43 PM

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Question marked as Best answer

Same solutions. There are no other options.

Posted on Mar 5, 2023 3:18 PM

53 replies

Jul 26, 2023 12:13 PM in response to From Ponce

I went for my appointment at most local Apple Store. They said the hardware diagnostic was fine- they reset the phone and basically said it could have been a weird issue with an app that may not have closed. Really nothing showing in the hardware; said to record any future issues and then it will have to be dug into as far as software. I’m satisfied with their service and will go back should it have continuing problems with battery drain


I’ll update if needed. Thanks everyone!

Jul 27, 2023 3:17 AM in response to From Ponce

Update your iOS to 16.6

I feel relieved. It has definitely fixed all the issue with battery draining along with overheating. They should have done it long ago, before my battery capacity being dropped to 95% in just 9 months. All that 9 months would have been saved by sticking to 100% battery capacity just like my wife’s 14 Pro since mine is 14 ProMax and a lot of people who had been facing with battery drain issue has been 14 ProMax.

Jul 31, 2023 6:40 AM in response to Silverskates

Silverskates wrote:

My 13 pro max (1.5 yrs iold) is now down to 88% battery health. Since Apple recommends replacing battery when it’s below 80%, I only have 8% battery life left. The bal due on cost of this iPhone will outlive its health. Not a good look Apple.

On average, a battery will lose capacity at approximately 1% a month. So, you are seeing performance within expected parameters. Batteries are consumables.

Aug 5, 2023 5:08 PM in response to Cmdr-_-Data

I have visited Apple twice regarding the battery issue with my iPhone 14 Pro. The first time, they suggested that the problem might be with my charger and recommended I buy a 20W block. I followed their advice and purchased the new charger, but it didn't improve the battery life.

Feeling frustrated, I went to a different Apple location a few days later, and they thought it could be a software-related problem. They had me perform a hard reset on my phone and set it up as new, hoping it would resolve the issue. However, even after trying this, the battery continues to drain rapidly. In just under 5 minutes, my phone's battery goes down by 3%.

I requested a battery replacement, but Apple refused, claiming that my battery health is still at 100%. Nonetheless, I am convinced that the battery is faulty, especially because I never encountered such problems with any of the 12 iPhones I owned in the past.

I'm unsure of what to do next, as I've exhausted the troubleshooting steps suggested by Apple. I want to find a solution to this battery drain problem as soon as possible.

Aug 6, 2023 12:11 AM in response to Kenflm

Ken I had exact same problem as you if you read my replies from earlier I mentioned the camera module getting replaced as Apple did a test on the phone and found camera module was failing so they repaired it and my phones as good as new again. explain you’ve did all reset stuff etc and got rid of apps and updated to latest iOS before you go. and demand they run a diagnostic test as it’s their problem to sort the components that fail and is their duty to solve the issue. I was doubtful when they mentioned the camera module as I wondered how can that drain my battery but once they repaired the module my battery life Is as good as when it was new hope that helps and get to bottom of it. Cheers mention the camera module as they may not be aware of it or don’t want to be aware of it mines got repaired for free as it was under warranty period but I believe cost to repair on receipt was approx £182

Aug 7, 2023 9:03 AM in response to Kenflm

Same problem. A full reset fixed it. Now my battery is still at 100% after being on overnight.

This worked:

Backup everything to iCloud.

Reset the phone to factory settings EXCEPT for your cell phone provider information referred to as esim. You'll get the option to retain esim.

Restore from iCloud. Restoration of settings is nearly perfect. For example, location sharing stopped working. I had to turn it off then back on.


Apple details the procedure. Follow it carefully or have an expert do it.

How to factory reset your iPhone, iPad, or iPod touch - Apple Support




Aug 7, 2023 9:59 AM in response to Cmdr-_-Data

Who knows what battery drain was then but I did a factory reset myself before going to Apple and the battery was dying overnight when asleep. But Apple changed my battery module and it worked for me. At the end of the day I’m happy mines is sorted. After all my phone is coming up for 12 months old and battery is still 100% capacity after module repair

iPhone 14 Battery Draining after update

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