Download iOS 13.1.3 (17A878) for iPhone 11 Pro / IPSW Downloads

✗ This firmware is not signed. This means you cannot restore to it in iTunes.

Release Date	15th October 2019
Upload Date	10th October 2019
Filename	iPhone12,3,iPhone12,5_13.1.3_17A878_Restore.ipsw
Filesize	4.6 GB
SHA256sum	`fe1b4c45ae2b945fc0a49ee5d9af4fcd800882429269bf014cdff7edeca562aa`
MD5sum	`1866f3fe4e2a3b1c4e12fc0c25afcf4a`
SHA1sum	`b606f56ce6b71466ca82df2c98c64246ccb4a4fc`
Identifier	iPhone12,3

Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.

iOS 13.1.3 includes bug fixes and improvements for your iPhone. This update:

Addresses an issue that could prevent a device from ringing or vibrating for an incoming call
Fixes an issue that may prevent opening a meeting invite in Mail
Resolves an issue where data in the Health app may not display correctly after daylight savings time adjusts
Fixes an issue where Voice Memos recordings may not download after restoring from iCloud Backup
Addresses an issue where apps might fail to download when restoring from iCloud Backup
Fixes an issue that can prevent Apple Watch from pairing successfully
Resolves an issue where notifications may not be received on Apple Watch
Fixes an issue where Bluetooth may disconnect on certain vehicles
Improves connection reliability of Bluetooth hearing aids and headsets
Addresses launch performance for apps that use Game Center

For information on the security content of Apple software updates, please visit this website: