Download iOS 15.5 (19F77) for iPhone 13

You will have to note that you can only restore signed IPSW firmware files using iTunes or 3utools.

❌ This IPSW firmware is not being Signed by Apple

Firmware Identifier iPhone14,5
iOS Version 15.5
Release Date 2022-05-16
Update Date 2024-06-03
Sha1sum
630a9f976cac40eeffac01f864cf883ad93b1b5f
Sha256sum
d394f61906cf7dd4ae80a3d168b53c7216e46c8a4cf615c62d671531c666e439
md5sum
54d64557dc67fd7dd17aac80a7c084f3
Size 6.06 GB
FileName
iPhone14,5_15.5_19F77_Restore.ipsw
Status

Download IPSW (6.06GB) Check device info
Release Notes

It should be noted that these are the official release notes for the from Apple

iOS 15.5 includes the following improvements and bug fixes:

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website:

https://support.apple.com/kb/HT201222