iPhone 6s
Unsigned iOS

iOS 13.3.1 (17D50)

iPhone 6s

Other Signed iOS Versions

iOS 13.3.1 Release Notes

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

iPhone_4.7_13.3.1_17D50_Restore.ipsw
Device
iPhone 6s
Identifier
iPhone8,1
OS
iOS
Version
13.3.1
Build
17D50
Release Date
2020-01-28
Upload Date
2020-01-22
Size
3.46 GB
Status
Unsigned
SHA1
90941bd17d68ba09d3719ca96f75c6038ff65c08
SHA256
e31085f1601e0dd9d0dfea6a021407de70f94b904fabaa9f2137a276c63e159c
MD5
d955380242e4851f35ee6b2197fa1e07
⇓ Download IPSW (3.46 GB)