Download iOS 15.2.1 (19C63) for iPhone 8 (Global)

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 iPhone10,1
iOS Version 15.2.1
Release Date 2022-01-12
Update Date 2024-06-03
Sha1sum
30b77ed76b0d1490ff15d09bf23dd3cae620d44e
Sha256sum
8166ba9746ab439742c6d419fb469a060c63f07e50cd641db2be33f6152765af
md5sum
60af84e49a03821e2e5587f8e482acc8
Size 5.42 GB
FileName
iPhone_4.7_P3_15.2.1_19C63_Restore.ipsw
Status

Download IPSW (5.42GB) Check device info
Release Notes

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

iOS 15.2.1 contains bug fixes for your iPhone including:

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

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