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iOS 26.3.1 ― Bug Fixes, Changes, and Improvements

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Banglazed

Banglazed

macrumors 603
Original poster

iOS 26.3.1​

Release Date ― March 4, 2026
Build Number ― 23D8133
Darwin Kernel Version ―

This update expands external display support to include Studio Display (2026) and Studio Display DR along with bug fixes for your iPhone.

iOS 26.3 Beta Release Notes

New Issues
Remaining Issues
Resolved Issues
Features
Additional Notes
  • iPhone 17 series: 1.40.03
  • iPhone Air: 2.02.03
  • iPhone 16 series: 2.40.01
  • iPhone 16e: 2.02.03
  • iPhone 15 series: 3.40.01
  • iPhone 14 series: 4.40.01
  • iPhone 13 series and iPhone SE (3rd gen): 5.40.01
  • iPhone 12 series: 5.10.01
  • iPhone 11 series, iPhone SE (2nd gen) and iPad Air (Cellular, 4th gen): 6.50.00
Australia
  • Optus - 64.5.8
  • Telstra - 64.5.13
  • Vodafone AU - 66.5.1
Belgium
  • BASE - 33.0
  • Orange B - 58
  • Proximus - 45.0
  • Telenet - 66.0
Brazil (info updated 26.3, last change in 26.3b3)
  • Claro Brasil - 68.0
  • Vivo - 68.0
  • TIM -
  • Oi - declared bankrupt in Nov 10th 2025
Canada
  • Bell - 62.8
  • Fido - 56.0
  • Fizz - 53.0
  • Freedom/Shaw Mobile - 54.8.6
  • Mint Mobile - 58.0
  • Public Mobile - 54.8.4
  • Rogers - 68.0
  • Telus - 54.8.8
  • Videotron - 53.0
  • Virgin Mobile - 50.0
Denmark
  • 3 DK - 46.7.11
  • TDC 68.0
  • Norlys 68.0
Finland
  • DNA - 58.5.7
France
  • Bouygues Telecom - 40.0
  • Orange France - 63.0
  • Free - 68.0
  • SFR -
Germany
  • Vodafone.de - 66.5.2 and RCS enabled
  • Telekom.de - 67.5.3 and RCS enabled
  • o2-de - 61.6.1 RCS enabled
Greece:
  • Cosmote - 38.0
Guatemala
  • TIGO GT - 49.0
India
  • Airtel - 58.5.18
  • Jio - 58.5.18 (iPhone) and 58.5.18 (iPad)
  • Vi India (Vodafone Idea) - 58.5
Ireland
  • Eir - 33.5
  • Vodafone IE - 38.0
Mexico
  • AT&T - 57.0
  • Telcel - 57.6
Morocco
  • Orange - 50.0
Netherlands
  • KPN - 68.0
  • Vodafone NL - 68.0
  • Odido - 68.0
Poland
  • T-Mobile - 64.5.4
  • Orange - 64.5.2
  • Play - 61.0
  • Plus - 61.0
Portugal
  • Vodafone P - 40.0
Romania
  • Orange RO - 55.0
Slovakia
  • Orange SK - 57.6
Southeast Asia
  • Singapore Singtel -
  • Philippines Globe - 68.0
  • Philippines Globe (iPad) - 38.0
  • Philippines Smart - 68.0
  • Thailand AIS - 53.0
  • Thailand DTAC - 53.0
  • Malaysia Umobile - 33.0
  • Malaysia Maxis -33.0
  • Malaysia Digi -
  • Malaysia celcom -
  • Hong Kong - 32.0
  • Taiwan -
Spain
  • Orange ES - 68.0
  • DIGI ES - 54.8.4
  • Vodafone ES - 54.8.8
  • Movistar - 67.5.1
  • Yoigo - 68.0
Sweden
  • Comviq -
  • Tre - 31.0
Switzerland
  • Salt - 58.0
  • Sunrise - 68.0
  • Swisscom - 68.0
Turkey
  • Turkcell (Lifecell) - 36.5.5
  • Vodafone TR - 32.0
  • Turk Telekom - 32.0
United Kingdom
  • BT-UK (EE MVNO) -
  • EE - 67.5.1
  • Giffgaff (O2 MVNO) -
  • iD Mobile (Three MVNO) - 68.0
  • Lebara (Vodafone MVNO) - 67.5.1
  • Lyca (EE MVNO) -
  • Mozillion (EE MVNO) - 67.0
  • O2-UK - 68.0
  • Sky (O2 MVNO) - 68.0
  • Three - 68.0
  • Virgin Mobile (O2 MVNO) -
  • Vodafone UK - 64.5.5
United States
  • AT&T - 68.0
  • Boost - 57.0
  • Cricket - 60.5.5
  • FirstNet - 55.0
  • FirstNet (iPad) - 41.7.6
  • Metro (TMO MVNO) - 68.0
  • Spectrum (VZW MVNO) - 68.0
  • T-Mobile - 68.0
  • TracFone/Straight Talk/Walmart Family Mobile - 63.5
  • U.S. Cellular - 46.7.24
  • Ultra/Mint Mobile (TMO MVNO) - 64.5.16
  • Verizon - 68.0
  • Visible (VZW MVNO) - 68.0
  • Xfinity Mobile - 67.5.1
Other
  • Docomo - 32.5.10
  • AlwaysOnline -

Historical beta release chart

iOS Version History Chart

iOS version history chart
www.thinkybits.com www.thinkybits.com
 
Last edited:
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Interesting, show on my iPhone 16 and iPad Pro, nothing OTA yet on my iPhone 17 Pro.

Edit: weird, I turned on public 26 betas and turned it right back off. When I did, 26.3.1 showed on my iPhone 17 Pro.
 
thadoggfather said:
hows the battery life?
Click to expand...
Quick tip: we all know copying and pasting a gif results in an unanimated gif, so I can see why you post a link. But there's a better way. Drag and drop the gif from any site directly into the composition box here at MR and it'll appear animated and in-line like below, allowing for resizing as well.

a man is smiling while talking on a phone in front of a pool .
 
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s2mike said:
Was hoping this update would have the fix for the Mail app’s visual glitches where the screen keeps jumping around and getting misaligned when switching between mailboxes.

Nope.
Click to expand...

No Mail issues on my iPhone 17 and iPad Pro M5. I have four email addresses there and everything works fine. Try installing 26.3.1 over with an IPSW file?
 
Anyone else having problems connecting to local vaultwarden server with bitwarden app after this update?
 
Have had one user at work reporting that the phone didn't connect to internet after the update. Both WiFi and cellular.
He messed around with turning WiFi off and on and airplane mode and it started working again.

Haven't updated my private phone yet. And I am using bitwarden, would be great to find out if the Bitwarden issue is related to the update.
 
There is definitely something wrong with network stuff in this update. I was able to confirm with bitwarden on my iPad. With iPadOS 26.3 no issues syncing with my local vaultwarden. After updating to iPadOS 26.3.1 syncing doesn’t work anymore. Bitwarden Error report says DNS can’t resolve my vaultwarden server URL
 
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Battery life definitely taken a hit on this update, but it’s only the first day I guess! See if it settles down.
 
When the iOS 26.3.1 update came out, I downloaded and installed it. Today I went to record a video, and I always change the spatial audio options before sharing it, but I noticed that this option was missing. I restarted the device and noticed a different "Welcome" screen. The device forced me to connect to a Wi-Fi network and activate the iPhone again, as if it were new. I was informed that there was an owner lock (I bought my device new from Apple). I had to log in again with my Apple account. Strange.
 
BR4DOKYBrazil said:
When the iOS 26.3.1 update came out, I downloaded and installed it. Today I went to record a video, and I always change the spatial audio options before sharing it, but I noticed that this option was missing. I restarted the device and noticed a different "Welcome" screen. The device forced me to connect to a Wi-Fi network and activate the iPhone again, as if it were new. I was informed that there was an owner lock (I bought my device new from Apple). I had to log in again with my Apple account. Strange.
Click to expand...
I had this happen to me once on 26.2.1. I thought that my phone got factory reseted somehow 😳
 
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iSepp said:
There is definitely something wrong with network stuff in this update. I was able to confirm with bitwarden on my iPad. With iPadOS 26.3 no issues syncing with my local vaultwarden. After updating to iPadOS 26.3.1 syncing doesn’t work anymore. Bitwarden Error report says DNS can’t resolve my vaultwarden server URL
Click to expand...
You using VPN or any other network stuff that could cause this? Is it the same on cellular as on WiFi?
 
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