Download iOS 15.3 (19D50) for iPhone 8 (GSM)

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 iPhone10,4
iOS Version 15.3
Release Date 2022-01-26
Update Date 2022-01-23
Sha1sum
3e30b7c920e0c67f22b781cbada24d66569da1c9
Sha256sum
3df413ee98252c017c136a5b4428555554450e4eae658401f7039238a86d1c50
md5sum
930d5d4bcfaacc019d190450e8b76e4b
Size 5.41 GB
FileName
iPhone_4.7_P3_15.3_19D50_Restore.ipsw
Status

Download IPSW (5.41GB) Check device info
Release Notes

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

iOS 15.3 includes bug fixes and security updates for your iPhone and is recommended for all users.

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

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