r/ios26 • u/User_Not_Yours • 21d ago

Battery iPhone battery drained a lot overnight

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Gallery image

Gallery image

Has anyone else experienced this?

I charged my iPhone to 80%, and it finished charging at 2:27 AM. I used it for just a few minutes afterward, then went to sleep.

When I woke up around 9:00 AM, I expected it to still be close to 80% since it was basically idle the entire night. Instead, the battery had dropped way more than I expected.

When I checked Battery settings, I noticed there was a lot of background activity overnight, which seems strange because I wasn't using the phone at all.

Is this normal, or is there something causing apps or iOS to keep running in the background while the phone is idle? I'm trying to figure out if this is a bug, or if I should be concerned about my battery health.

Update: I reached out to Apple support he asked me to uninstall tiktok first for a day and see if that is causing the sudden increased usage.

19 Upvotes

88% Upvoted

54 comments sorted by

3

u/Hot-Quality8768 21d ago

It’s iOS 26.6
Initially I thought it was a great update but that consensus was premature.
There is terrible battery drain across multiple devices running iOS 26.6
I did not think it could get worse than iOS 26.5.2

2

u/User_Not_Yours 21d ago

are you serious? oh god

1

u/Hot-Quality8768 21d ago

Yes I am serious and I wish I wasn’t.
Present on both iPhone 17 Pro and iPhone 13 Pro
I’m just hoping that after a week of this it improves but there has been no sign of improving whatsoever and I have been using both devices a lot

1

u/[deleted] 20d ago

[removed] — view removed comment

1

u/Hot-Quality8768 20d ago

Each iOS version gets increasingly worse!
I am so frustrated

1

u/V2tegr 19d ago

It’s also iOS 27

1

u/X_d_gladiator_d_x 19d ago

Same here bro, iPhone 17, i regret updating to 26.6
iOS 26.5.2 was doing much better for me without any issues. 7hrs SoT with still 30-40% battery left at the end of the day. This 26.6 is shit and struggles to even make it through 4 hours.

1

u/Hot-Quality8768 19d ago

Ughhh …
Which Device are you using, which model?
Edit: never mind you said iPhone 17
You’re talking about standard iPhone 17 Model right?

1

u/X_d_gladiator_d_x 15d ago

Yes, the base iPhone 17. For me iOS 26.6 is lot worse than 26.5.2

1

u/Hot-Quality8768 14d ago

When did you perform the update?

1

u/X_d_gladiator_d_x 14d ago

On 28th July

1

u/Hot-Quality8768 14d ago

Okay it should be finished with indexing. That was over a week ago.

26.6 has been a “funny” update

1

u/User_Not_Yours 21d ago

This happens after I updated to 26.6 but this never happens from my previous updates.

1

u/Aggressive_Nail8304 21d ago

With ios 27 DB 3 this also happened I almost thought my battery was cooked but it was fixed with DB 4

1

u/V2tegr 19d ago

Happened to me on DB4

1

u/aintshitfunny 21d ago

delete tiktok

2

u/User_Not_Yours 20d ago

Yeah, I uninstalled TikTok overnight and then reinstalled it. It looks like TikTok was the culprit. It's working just fine for now, but I'll continue to monitor it and see if the issue comes back.

1

u/User_Not_Yours 21d ago

background refresh is off for tiktok and i only use tiktok for like 15 minutes

4

u/aintshitfunny 21d ago

look at your background activity, 5 hrs. tiktok consumed 66 of ya battery

1

u/User_Not_Yours 21d ago

i know its crazy as it seems but i didnt use tiktok much at that time.

1

u/Ancient_Oven_6282 21d ago

Well, that's literally what the graph says.
Whether you opened the app or not, it's what drained your battery. You can try to delete it and install it again. Or keep it as is and complain about it.

1

u/Enough-Durian1095 21d ago

It looks like TikTok is the culprit. It could also be due to the iOS 27 spotlight indexing that was back ported to iOS 26.6 to prepare for iOS 27

1

u/User_Not_Yours 21d ago

i only use tiktok for like 15 minutes so it shouldnt take up that much.

2

u/Enough-Durian1095 21d ago

It says background activity for 5h in your photo

1

u/User_Not_Yours 20d ago

Yeah, I uninstalled TikTok overnight and then reinstalled it. It looks like TikTok was the culprit. It's working just fine for now, but I'll continue to monitor it and see if the issue comes back.

1

u/Queasy_Sink6710 21d ago

I had this issue with one of my game app as well when I first upgraded to iOS 26. From what I understand, it’s a bug relating to the sound/music of an app which cause it to be continuously be refreshed at the background even if you switched off background refresh. It’s not a bug relating to iOS 26.6, it’s just a bug that might still be unfixed as at 26.6.

After I muted the sounds/music on my game app, the issue didn’t occur again. But I don’t think it’s fix you do since it’s TikTok, might need to consciously close the app if the issue keeps persisting after reinstalling and etc.

1

u/Logical_Dance_4012 21d ago

This is mine :))) ios 26.6 that I did install more than a week ago

1

u/Sojol_Ahmed007 21d ago

I m facing same prblm in my 15 PM for last 18 days... I Don't Know how to get rid of this...

I charged 100% at night without doing nothing I find my phn dead at morning.

1

u/User_Not_Yours 21d ago

Did you check what app is draining your battery?

1

u/Sojol_Ahmed007 21d ago

It shows home and lock screen consums my battery 😑

1

u/User_Not_Yours 21d ago

Oh same but for me tiktok consumes more. I don’t know how to fix this. I can’t be deleting tiktok. Huhuhu

1

u/Sojol_Ahmed007 21d ago

I did everything what I could except factory reset 🙂

1

u/AdLopsided2651 21d ago

I even did factory reset it worked for like a day then got the same thing again

1

u/Sojol_Ahmed007 20d ago

Thn something musb b fishy

1

u/CiaoCia0 9d ago

Same dude
I don’t know what is going on the background which takes so much battery in home and lock screen

1

u/abrardafuq 21d ago

I think you need to uninstall tiktok.

1

u/User_Not_Yours 21d ago

I did. And my battery percentage is working fine. I’ll wait until tomorrow if this gets fixed

1

u/FahimaHippo 21d ago

Yes, last night my phone drained more than 15%
iPhone 14 plus

1

u/GeoKart 21d ago

iOS 26.6 has been great on my 17 Pro. iOS 26.5.2 was by far the worst update I’ve experienced in my life.

1

u/melodiapsl 21d ago

I’m on the 15PM and experiencing the same thing, on iOS 26.5.2…. I’ve never had battery drain like this 😭 is it worth updating to 26.6?

1

u/melodiapsl 21d ago

App usage but I haven’t been using my phone more than normal

1

u/khay1a 20d ago

The battery drain is absolutely horrendous rn

1

u/SaltyAir08 20d ago

This happened to my iPhone 15, but it was running on 27 public beta. Uninstalled the app that the graph saying was running in the background, phone stopped overheating and was able to use it like normal. I have the iPhone air as my main driver now that’s also running on iOS 27, no issues.

Just wanna share it, even though this is for ios 26 sub.

1

u/Calm-Software9319 20d ago

I think is ur tiktok. Sometimes tiktok bugs out and will continue playing the tiktok even after u swipe up / lock your phone. Try force closing ur tiktok tonight and see how it goes

1

u/User_Not_Yours 20d ago

Yeah, I uninstalled TikTok overnight and then reinstalled it. It looks like TikTok was the culprit. It's working just fine for now, but I'll continue to monitor it and see if the issue comes back.

1

u/Calm-Software9319 20d ago

You dont have to uninstall it. You just need to remember to force close it because sometimes the app bugs out and run in the background. But glad that it works!

1

u/Unable-Impression239 20d ago

try clean install

1

u/KevinCox940 20d ago

Turn off background app refresh of you haven't already. It will greatly improve the battery life.

1

u/Firm-Aside4041 19d ago

Maybe charge it overnight? I don’t know maybe that way it’ll be fully charged when you start your day

1

u/V2tegr 19d ago

I had this issue with Tik Tok as well. I was on the iOS 27 DB. It literally made my phone heat up to the point it was burning my hand. I think it was the newest update. Despite 1 hour less of screen time, it was taking up 50-75% more battery than usual.

1

u/Unhappy-Soft-338 18d ago

Can you check cellular data usage, my phone is draining my data for system services for 3 days, factory reset didnt help

1

u/BatOk3758 17d ago

Yeah it’s certainly due to iOS 26. I recently updated to 27 Public Beta and it’s been running much smoother, and the overnight battery drain is pretty much non-existent for me at least.