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All Devices iOS 13.3.1 ― Bug Fixes, Changes, and Improvements

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The first post of this thread is a WikiPost and can be edited by anyone with the appropiate permissions. Your edits will be public.
spiderman0616 said:
I'm still seeing the same battery drain in standby on my 2018 11" iPad Pro. 3 hours ago right after the update, I was at 85%. It's been sitting doing nothing since then and is already down to 81%. Pre-update it would often do that and then finally settle down after about an hour or so--usually only loses about 5% total overnight. But that's still too much in my opinion. I'll have to see if there's any improvement overnight tonight, but I'm not super optimistic.

This isn't deal breaker battery drain, but it just frustrates me that it's noticeably worse than it used to be. I use my iPad for everything and wish the battery was still as stable as it used to be. I acknowledge that part of it could just be that it's over a year old now and has a few charge cycles under its belt, but it's not like it gets a nightly charge like my iPhone does. I think iPadOS is just less efficient in standby unfortunately.
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Never, never, never, never judge battery life in the hours after updating your phone.
 
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papbot said:
It’s there for all devices. Screenshot is from my ipad. No such chip. Shuts down more than the chip, I’m just curious what else. I have no intention of disabling it.
View attachment 891073
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Clever of them to bundle the U1 shutdown with other services - now people will think twice before just shutting it down. These guys could have provided a separate toggle for U1 and customers would have appreciated that.
 
macintoshmac said:
Clever of them to bundle the U1 shutdown with other services - now people will think twice before just shutting it down. These guys could have provided a separate toggle for U1 and customers would have appreciated that.
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When has Apple ever been known for extreme customization? They’ve always been about “It just works!” and they make the decisions for you.
 
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Apple finally fixed most Smart invert issues with this update but at the same time bring a very annoying new bug. From now on, if you activate smart invert just one time and go back to normal mode, if you are on the dark theme, you will see your lock screen being inverted for a good second when you wake up your phone. The only fix is to reboot the phone and not use smart invert at all.

Very annoying because its like having a "flash" in your face when you turn on the screen when the phone is on standby.
 
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hello, I get the update and its fast and stable,i want to ask I use developer beta profile 13.3.1 beta 3 and then I get the update to 13.3.1 , the developer profile is valid now? or I must delete (for the future ios developer release? ) thanks
 
Frankras said:
Try to shut down the iPad complete and start up again. Did that with my iPad Pro 9.7 and it drop only 1% in now 12 hours.

Frank
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I might try that tonight. However I did check it this morning and was pleased. It only lost 3% overnight last night. If that continues, that would be a return to the performance I was getting pre-13.2.x
 
macintoshmac said:
Clever of them to bundle the U1 shutdown with other services - now people will think twice before just shutting it down. These guys could have provided a separate toggle for U1 and customers would have appreciated that.
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Design for the 99% of users.
 
So were they supposed to have fixed speakerphone echo or not? Still hear a little echo but at least none of that ridiculous eardrum shattering feedback so far. Will have to see how it goes today when I call my wife, and she uses speaker.
 
iOS 13.3.1 completely screwed up my app development!

Code: 
dyld: Library not loaded:
[...]
Reason: no suitable image found.

Getting this error using my physical iPhone XR and CocoaPods Frameworks.

- It still launches in the iPhone 11 simulator
- It still launches on my gf's iPhone XR which still has iOS 13.3
- Tried different pods
- Tried reinstalling CocoaPods
- Tried updating CocoaPods to latest stable and latest beta versions
- Tried different projects
- Tried cleaning the build folder
- Tried deleting/reinstalling apps
- Tried deleting the derived data
- Was already using the latest Xcode 11.3.1 since a few weeks
 
macintoshmac said:
Clever of them to bundle the U1 shutdown with other services - now people will think twice before just shutting it down. These guys could have provided a separate toggle for U1 and customers would have appreciated that.
Click to expand...

I went to turn off the U1 chip and found I'd already turned off the WiFi/BT location service - I don't find that a loss to me, and I don't need to be leaving a breadcrumb trail behind me everywhere I go. I was semi-interested the the new U1 toggle didn't require me to reset that part of the privacy settings.
 
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If you download Apple TV content and sign out of your Apple ID and back in, the downloaded content will not be able to be deleted.
Deleting the Apple TV app does not work.
 
Leap_Ahead said:
hello, I get the update and its fast and stable,i want to ask: I use developer beta profile 13.3.1 beta 3 and then I update to 13.3.1 , the developer profile is valid now? or I must delete and install new one (for the future ios developer release? ) thanks
Click to expand...
anyone?
 
Leap_Ahead said:
hello, I get the update and its fast and stable,i want to ask I use developer beta profile 13.3.1 beta 3 and then I get the update to 13.3.1 , the developer profile is valid now? or I must delete (for the future ios developer release? ) thanks
anyone?
Click to expand...
As long as you keep the profile installed you'll continue to get whatever future Beta builds get released.
 
I've Siri enabled but restricted it capabilities as much as possible, i even need to press the button to activate Siri. Today i figured out in the Battery Screen, that between 4PM - 5PM Siri used 100% Activity- but for what? And why? I didn't even used Siri today.
 
xxray said:
I’m afraid to update from 13.3. After a few weeks of incredibly bad battery drain, including a factory wipe and fresh install and still battery drain, it’s just disappeared on it’s own and I’ve been getting the best battery life I’ve had since iOS 12 on my XS Max.
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Most likely an app or service running (Mail, iCloud, etc) not iOS itself.
Leap_Ahead said:
anyone?
Click to expand...
boxermansr said:
As long as you keep the profile installed you'll continue to get whatever future Beta builds get released.
Click to expand...
Correction, "any iOS 13.x beta builds that get released". :) This profile will be good until iOS 14 betas then a new one will need to be installed.
 
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Ninflu said:
I've Siri enabled but restricted it capabilities as much as possible, i even need to press the button to activate Siri. Today i figured out in the Battery Screen, that between 4PM - 5PM Siri used 100% Activity- but for what? And why? I didn't even used Siri today.
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If the problem persists do a backup on your computer, restore iOS then the backup.
It’s a lot of work but fixes 99% of issues.
 
Installed this version on my XR last night and had incredibly choppy animations, the stutter many users report. I've had that before, but it was never even remotely as visible and obvious as last night. That continued today, to the point where I almost decided to do a restore. Fortunately, at the last moment I decided to try a less extreme route and just reset all settings. This seems to have fixed the issue as swiping around is now mostly smooth.

So it seems to be some setting that causes this. I've tried numerous settings before (switching auto brightness on and off, true tone, background app refresh, Follow focus in the Zoom settings, Facetime etc.), but the one setting that comes to mind now (which is the one that has been disabled by the reset) is FaceID. I've been using it for the last couple of months (usually I don't use it) and the phone was stuttering lately. Now it's off and it feels smoother so maybe this helps someone.
 
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