iOS 13.3.1 (17D50) for iPhone 6s
✗ This firmware is not signed. This means you cannot restore to it in iTunes.
| Release Date |
28th January 2020 |
| Upload Date |
22nd January 2020 |
| Filename |
iPhone_4.7_13.3.1_17D50_Restore.ipsw |
| Filesize |
3.71 GB |
| SHA256sum |
e31085f1601e0dd9d0dfea6a021407de70f94b904fabaa9f2137a276c63e159c |
| MD5sum |
d955380242e4851f35ee6b2197fa1e07 |
| SHA1sum |
90941bd17d68ba09d3719ca96f75c6038ff65c08 |
| Identifier |
iPhone8,1 |
iOS 13.3.1 Release Notes
Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.
iOS 13.3.1 includes bug fixes and improvements. This update:
- Fixes an issue in Communication Limits that could allow a contact to be added without entering the Screen Time passcode
- Adds a setting to control the use of location services by the U1 Ultra Wideband chip
- Addresses an issue that could cause a momentary delay before editing a Deep Fusion photo taken on iPhone 11 or iPhone 11 Pro
- Resolves an issue with Mail that could cause remote images to load even when the “Load Remote Images” setting is disabled
- Fixes an issue that could cause multiple undo dialogs to appear in Mail
- Addresses an issue where FaceTime could use the rear facing ultra-wide camera instead of the wide camera
- Resolves an issue where push notifications could fail to be delivered over Wi-Fi
- Addresses a CarPlay issue that could cause distorted sound when making phone calls in certain vehicles
- Introduces support for Indian English Siri voices for HomePod
For information on the security content of Apple software updates, please visit this website:
https://support.apple.com/kb/HT201222