Battery draining fast on iPhone 15 Pro

Hi DovydasJ

5-10% overnight with just wifi on is still a lot. Seems that apps/ photos or other stuff is updating while in battery as opposed to plugged in. I found the below article helpful.

https://www.gottabemobile.com/how-to-fix-iphone-15-battery-life-problems/

I’m on day 3 and after making a few minor adjustments, I am noticing an improvement. I turned off automatic app updates and I forced the battery to run without optimization for one day. I also think the initial load of a new iPhone takes a few days to complete under the covers.

I just got my iPhone 15 pro max and same thing happened until I made a couple of changes. Now the battery life is decent. I turned the battery optimization off for one day and I stopped automatic updates on apps I don’t use.

Well, the worst happened last week. After appalling battery drain issues, my iPhone 15 pro max completely gave up the ghost and died. The screen went off and the phone didn’t respond to anything. It wasn’t even being used at the time. It just completely died. It wasn’t even 1 month old.

I took it back to the shop (they already knew about my battery issue as I went into the shop 1 week after getting the phone to complain and request a replacement - so weren’t surprised to see me), and they couldn’t fix the problem. So they replaced the phone on the spot.

The good news is that the replacement phone seems to be issue-free with a good battery that is holding its charge really well.

My suspicion is that a large quantity of faulty phones have been potentially released by Apple. If this is the case, they should have issued a recall?

Yes, I did the most recent update to help with the device being warm most of the time.

I will delete the IG app.

You have to go into your settings and look for battery click on the battery button and you can get more information about it

I’ve had my iPhone 15 pro 2 weeks and the battery drain is getting worse. Even on WiFi at home after 90mins off the charger my battery is down to 80%. It doesn’t matter if I’m using the phone or not. And the drain continues until I have to charge the device by 4pm. Only way I’ve been able to slow the drain is by putting my phone in LTE data mode.

Can I add my experience to this list.

I had a release week iPhone 14 Pro which was fine until iOS 17. Installed 17 the moment it was available and straight away could feel the iPhone getting super hot, even through the case. Battery drained rapidly.

Next morning did a DFU reset and set it up from scratch. Still the same, it got hot at the drop of a hat and suddenly I'm having to charge it 3 times a day. Travelled to my nearest Apple Store and they ran diagnostics which didn't show any problem. Even when shown the steep battery drain in the battery app graph I was told that was "normal."

Give up on iPhone 14 Pro as it's now too unreliable to use and to REALLY show Apple I order an iPhone 15 Pro.

New phone turns up, update using the iPhone to iPhone transfer. Still the same, except now I've got two hot iPhones. Contact Apple Support. They ask me to DFU reset the iPhone 15 Pro and set it up from scratch and use it as normal for a few days to see if it settles down because y'know, indexing.

Nothing changes, still charging the iPhone 3 times a day if I'm lucky.

Contact Apple Support. They run diagnostics which doesn't show any problem, but they speak to technical and they decide that it's a hardware problem and they will swap the iPhone 15 Pro.

Managed to rescue the iPhone 14 Pro just before it went in the post to be traded in. Used that for a week or so while waiting for the replacement, did updates. Still red hot, still charging 3 times a day - except when the phone won't charge because it's too warm. At this point I've tried using the phone with no third-party apps, or some third-party apps. 5G on, 5G off and so on. You get the idea. Nothing changes. Everything is running the latest version of the firmware. All updates are up to date.

New iPhone arrives yesterday. Set it up from scratch. Still the same. Gets uncomfortably hot on the simplest of tasks and It's currently charging for the third time today. Photos app won't sync because the phone is too warm, charging is on hold because the phone is too warm.

Contacted Apple Support. They had a look and they can't do anything until I've used it for a few days to see if it settles down because y'know, indexing. Arrange a callback on Sunday.

Obviously, I appreciate there's far worse things going on in the world, but... I'm soooooo bored of resetting iPhones, and repairing my Apple Watch, and putting my cards back into Apple Pay, and re-authorising my banking apps, and resetting my MFA stuff for work. I'd just like to go back to the heady days of, checks notes, the 17th September when everything wasn't broken.

I always realised that no one from Apple reads these forums but I just needn't to vent a little.

Thanks for your time.

Would be good to know if this is a issue mainly in Europe/USA or other. I’m in Europe so have a SIM slot. Battery issue has resolved with the fixes I made but could just be a longer phone updating timeline compared to my previous iPhones. As in after you transfer data it takes more processing power and battery to finalise app’s etc

that should be a few days though 🤷🏼‍♂️

got the last two days with an average 6 hour usage. Charged at 11am yesterday morning to 100% and it’s now at 81% at 2.55 am with 2hr 1 min usage

I just got off talking to Apple support today a few minutes ago and they act as if they know nothing about this issue and I've been told there's no solution at this point. I only purchased my phone on January 2, and have until January 16 to return it, and they're only solution to me was to return the phone, or possibly exchange the phone for another iPhone 15. I don't want to simply just exchange the phone for another iPhone 15 because based on everything I've seen here and other forums, the problem will exist on the replacement phone as well because this is a widespread issue. I'm terribly disappointed in Apple, not acknowledging this issue to this-date, considering this apple discussion community is on apple.com, and they clearly know about this issue by this point because I've seen Apple personnel responding on these forums in the past .

i think I found the answer to the iPhone 15 pro battery issue

if you turn off battery optimization completely you will see a complete difference in battery usage

its working great for me now I hope this helps everyone

Actually, that’s not correct, there’s three choices under “charging optimization”

” optimized battery charging”

” 80% limit”

” none”

I’ve actually turned this feature off and selected “none”, I wasn’t finding this to help my battery life or battery drain. If you select the first choice, “optimized battery charging”, your battery eventually charges up to 100%. Just wanted to share that clarification to everyone here.

I know people have a lot of complaints regarding battery draining, but here is a thing, there are alot of features that are turned on which you wont notice but they keep running in background and causes battery drainage. These can include location services, tracking apps, incase there are many more. I will suggest you to read this guide: 7 Proven Steps to fix iPhone 15 Pro Battery Drain Issue, and apply tweaks mentioned here. I hope this will reduce battery drainage.

Guys, I fixed this battery drain issue and posted. Check the fix

Fixed: iPhone battery drain issue post iO… - Apple Community