BATTERY DRAIN DRAMATICALLY ON IOS 16.1.1

I purchased the iPhone 14 Pro Max the battery was okay not as good as my previous iPhone 13 Pro Max which was a legend. It’s annoying how my battery has been dramatically draining so fast on my latest iPhone 14 pro max after the iOS 16.1.1 update apple should really fix this we were promised a better battery life which should be an hr better then the 13 pro max not lesser by 5hrs it’s barely lasts through the next day when I used to get 2 days of 13 pro max. Come on apple I’m really considering selling my latest iPhone and get last years one!

iPhone 14 Pro Max, iOS 16

Posted on Nov 12, 2022 1:46 PM

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Posted on Dec 19, 2022 11:09 AM

I solved this! The above ideas got me thinking- I turned off Wi-Fi, and kept an eye on cellular data usage per app for a few days.


Turns out the notes app was using 100–200MB/day even though I wasn’t using the app or adding/removing notes. Turning off cellular data for that app greatly improved battery (unless I was on Wi-Fi), but didn’t fix the root cause.


I went through my notes manually and deleted large notes that contained lots of photos or other attachments, which I suspect were having trouble syncing up to iCloud, as I wasn’t willing to turn off iCloud sync. Deleting enough notes cost cellular data usage to drop to almost 0 again - fixing the issue and battery life returned to normal.


Hope this helps others…

133 replies

Nov 29, 2022 6:45 AM in response to Ddey91

I have the iPhone 14. Battery life was great before the 16.1.1 update. Now, It'll have 80% battery, then all of a sudden drain to nothing and shut down. I plug it in and turn it back on, and poof battery life back up to 80%. It did it to me a few times while I was on a business call. Is Apple up to their old tricks and forcing you go out and buy a new phone?

Dec 1, 2022 4:06 PM in response to Ddey91

The drain is indeed dramatic.

Dramatic enough to consider moving to another mobile platform.


Thanks appleheadone for finding a workaround.


I guess that the UAT people at Apple rely on actual users to find solutions for what should be the outputs of their jobs. BTW the only reason why I accepted the release is that the phone annoyed me with UX coercion, which eventually left me no choice to upgrade, for fear of being further annoyed. The cost of accepting the coercive demand is having worse product.


Yes agree with others -- this is not acceptable.


Is not the passing of acceptability not a function of the testing team over there in Cupertino? What gives?



Dec 4, 2022 4:15 AM in response to Ddey91

I have same problem on my ip 14 pro. After upgrade to ios 16.1.2, the battery drained badly. Looking at battery usage it said siri used 20%. I turned off siri, then few hours later I checked battery usage again. It says camera took 70% but I did not use camera at all. How come the camera took 70% of battery usage. Apple software updates is awful :(

Dec 19, 2022 12:45 PM in response to magikality

iOS 16.2 on the iPhone 14 pro max when you zoom in on a subject on x2 or x3 doesn’t focus well and the video quality is very noisy or shaky


Dynamic island is very slow or lags when you come to open WhatsApp or other applications


Music app takes time to load the track name when you open the app



Bluetooth Bugs


Apple is just taking a step forward and 10 steps back I don’t know what’s going on but since the launch of iPhone 14 pro max it hasn’t been a good experience and iOS 16 is horrible


BATTERY LIFE IS BETTER NOW I HOPE THEY DO NOT MESS THAT UP NOW

Jan 6, 2023 1:51 PM in response to Ddey91

When I first got this phone when I first got this phone it would last literally all day and still have 30% when I got home after a 12 hour day


Battery would not last until lunch now just had professionally installed a new battery in my iPhone X same old same and the battery is at 100% capacity using standard slow wall charger at night. Starting to feel like the update is designed to kill older phones so we will upgrade.

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BATTERY DRAIN DRAMATICALLY ON IOS 16.1.1

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