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iOS 12 is eating my battery!!!
- Thread starter TinaBelcher
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Those and similar advices keep circulating through online forums, but keep in mind that we don't actually have any data at all on how likely they are to solve some specific problems. I went through clean installs numerous times because I hoped it would solve the battery drain problem I had with iOS 11. It did not.
Mine has been eating about 30% each day. Something in Photos background. I thought it was indexing or something related to the new features. But it’s been this way since the first beta. And now that the official iOS12 is out, I’m still suffering the same battery hit on my iPhone X
10 hour life wifi no usage me iphone 5S, now left 14%.
Background Activity 48% Photos ? No freakin picture in it.
Then it's probably your iCloud photo library. Are you sure you didn't restore from a backup? Even from iCloud? Setting up as new means a fresh phone with nothing on it.
I set mine up as new and it's been perfect. No standby battery drain.
It does, it still resets, just have to stay on 100 for a bit. See this photo, every 3 hours it drops majorly--and it really drops after 45%. Curious.
Also, screen off time is not correct whatsoever, and it hasn't worked at all since I upgraded.
Of note, I got 3 hrs the first time, 3:36 this time, so maybe 4 tomorrow? Who knows. My battery is nearly new, shows 100% capacity in terms of life/wear.
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Someone explained Screen off in another thread. It counts the time that the phone is doing tasks when the screen is off e.g. background app refresh, app updates, etc.
Last night I downloaded PUBG with the screen off, and it didn't count as screen off usage.
The phone is not connected to the internet and when I go into photos it says update paused since there is no connection.
Same issue here on my iPhone X with iOS 12 GM.
I see the percentages of my battery dropping. Health is still 99% (releaseday iPhone X) but since iOS 12 GM I have to charge it everynight at 20% or so.
Will do a complete reset this weekend.
I see the percentages of my battery dropping. Health is still 99% (releaseday iPhone X) but since iOS 12 GM I have to charge it everynight at 20% or so.
Will do a complete reset this weekend.
Broken record here, but, if you do a full reset, then do it with DFU mode (I've done 4 regular clean installs on my phone back in 11.4 and it did nothing until I put the phone into DFU, perhaps some deeper factory settings aren't reset through regular clean install)
https://www.theiphonewiki.com/wiki/DFU_Mode
I’ve had iPhones and iPads since they launched and I have never not restored a backup to a new device or when doing an update. The most I have done once or twice over the years is reset the settings file especially if I had tried out the betas and was installing the public release. Never had a major problem. Then again I do tend to do updates at night when I can leave it on the charger overnight so perhaps all that indexing etc happened then and was done by the time I got up in the morning
I'm satisfied to report that after 2 days my battery life is back to normal. Today, my iPhone 8 drained 7 percent overnight with my Apple Watch connected and Wi-Fi turned on, which is consistent with battery drainage I had under iOS 11. I guess my phone was performing a lot of operations in the background as a result of a clean install.
iOS 12.1 Beta Reduced Backgrounding Time of an App from 2 Min to 30s i guess and the battery on my iPhone 7 (85 % Cap) is better than iOS 12. See here:
https://www.reddit.com/r/iOSBeta/comments/9hk2oq/discussion_ios_121_beta_reduced_backgrounding_time/
https://www.reddit.com/r/iOSBeta/comments/9hk2oq/discussion_ios_121_beta_reduced_backgrounding_time/
After letting the SE run flat and recharged it back to 100% it seems to have got over it's battery drain problem and normal service has resumed, phew!
The tells you, for example, "Charged 100% 6:00am". You can then look at the current, say 1:00pm and current level is 90%. So you know in 7 hours you used 10%. Plus the graph shows you how long it has been since 100%.
You have to add up the time since you unplugged it manually. It is really annoying, but it's the only way now.
It still shouldn't take more than a few minutes, but before it was instant.
Using a 6S here. Battery life is definitely shot. Today it literally went from 84% down to 20% in 5 minutes. I had put the phone in my pocket at 84% and 5 mins later looked at it and it was 20%. When I got home I charged it and it took 20 minutes to charge to 100%. Not sure whats going on, atm is going down heavy with usage, maybe 1% per 1 minute screen time.
Try doing a clean install. This is the only SURE way to not have battery problems. If you try to do as I instructed here:
https://forums.macrumors.com/threads/ios-12-is-eating-my-battery.2139309/page-2#post-26512768
I doubt you'll have the same issues.
The other thing to do is re-calibrate your battery meter. Charge your phone then let it run down till it shuts off. The % usually stays on 1% for quite a while if this is indeed out of calibration.
Thanks, will surely calibrate it, pretty sure it needs to be. Right now its stuck at 67% for a while, so I guess it's not displaying correct info or something.