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 | iPhone13,4 |
---|---|
iOS Version | 15.3.1 |
Release Date | 2022-02-10 |
Update Date | 2024-12-22 |
Sha1sum |
7247fdfbf5a1f45c70396abc0403834585ec4268
|
Sha256sum |
0854c7e389f58a14232cabdae01a2229c35ee1d80337b0f3ddabda3f5bd8f922
|
md5sum |
3860e594127ccd0dd6715c20f540f36c
|
Size | 6.19 GB |
FileName |
iPhone13,4_15.3.1_19D52_Restore.ipsw
|
Status |
It should be noted that these are the official release notes for the = $os ?> = $version ?> from Apple
iOS 15.3.1 provides important security updates for your iPhone and fixes an issue that may cause Braille displays to stop responding.
For information on the security content of Apple software updates, please visit this website:
IPSWDL.COM is a website that provides download links for IPSW files, which are used to install or restore firmware on Apple devices. These files are sourced directly from Apple's servers.