iOS 13.3.1 Beta 1
Release Date ― December 17, 2019
Build Number ― 17D5026c
Darwin Kernel Version ― 19.3.0: Sun Dec 8 21:03:36 PST 2019; root:xnu-6153.80.8.0.1~13
iOS 13.3.1 Beta 1 Release Notes
New Features & Changes
New Issues
Resolved Issues
Temporarily Removed
Additional Notes
Release Date ― December 17, 2019
Build Number ― 17D5026c
Darwin Kernel Version ― 19.3.0: Sun Dec 8 21:03:36 PST 2019; root:xnu-6153.80.8.0.1~13
iOS 13.3.1 Beta 1 Release Notes
New Features & Changes
New Issues
- When placing a call on loudspeaker the other end hears their own voice. Multiple reports of this bug
- Mail Sync issues with push notifications, but mail needing to be pulled when opening mail app - Since iOS13 Dev Beta 1
Resolved Issues
Temporarily Removed
Additional Notes
- iOS Release Notes
- iOS Beta Release Notes
- Deleting built-in app can affect system functionalities and Settings app. To restore affected functionalities, download the deleted built-in app back to your device.
- Intel iPhone 11/Pro/Max: 1.04.01
- Intel iPhone XR/XS/Max: 2.04.00
- Qualcomm iPhone 8/8 Plus/X: 5.30.00 (previously 5.30.01)
- Intel iPhone 8/8 Plus/X: 3.03.03
- Qualcomm iPhone 7/7 Plus: 7.10.01
- Intel iPhone 7/7 Plus: 4.01.02
- iPhone SE: 9.11.01
- iPhone 6S/6S Plus: 7.30.02
United States
- Verizon - 40.0
- Visible (MVNO Verizon) 34.0
- Verizon (iPad) - 38.5
- T-Mobile - 39.5.1
- T-Mobile (iPad) - 34.5
- AT&T - 39.5.3
- AT&T (iPad) - 37.0 (b6)
- Cricket - 40.0
- MetroPCS -
- U.S. Cellular - 32.5.9
- Sprint - 40.0
- TracFone/Straight Talk/Walmart Family Mobile - 39.0.2
- Xfinity Mobile 39.0
- EE - 40.0
- BT-UK MVNO on EE- 40.0
- Three - 3
- iD Mobile MVNO on Three - 36.5.4
- O2-UK - 36.0
- Vodafone UK - 39.0
- Virgin Mobile MVNO on EE- 39.5
- Vodafone.de - 39.5.2 (downgraded)
- Telekom.de - 39.0
- O2-DE - 39.5.1
- Optus - 32.0
- Telstra - 40.0
- Orange B - 32.5.7
- BASE - 33.0
- Telenet - 38.0
- Videotron - 40.0
- Rogers - 39.5
- Fido - 38.0
- Bell - 40.0
- Telus - 32.5.12
- Freedom Mobile - 34.0
- Fizz - 40.0
- Virgin Mobile - 40.0
- Bouygues Telecom - 40.0
- Orange France - 31.5.1
- Orange Morocco - 31.5
- KPN -
- Singapore Singtel -
- Philippines Globe - 39.0
- Philippines Globe (iPad) - 38.0
- Philippines Smart - 36.1
- Thailand AIS -
- Malaysia Umobile - 33.0
- Malaysia Maxis -33.0
- Malaysia Digi -
- Malaysia celcom -
- Hong Kong - 32.0
- Comviq -
- Tre - 31.0
- Salt - 40.0
- Swisscom - 39.5
- Eir - 33.5
- Vodafone IE - 38.0
- Turkcell (Lifecell) - 36.5.5
- Vodafone TR - 32.0
- Turk Telekom - 32.0
- T-Mobile -
- Orange - 32.0
- Play - 31.0
- Cosmote - 38.0
- Airtel - 39.5.1
- Jio - 40.0
- Vodafone Idea - 40.0
- Idea Cellular - 40.0
- Mexico - Telcel - 35.0
- TIGO GT - 39.5.1 (earlier versions 40.0)
- Docomo - 32.5.10
- AlwaysOnline -
Last edited: