Download iOS 15.3 (19D50) for iPhone SE (2020)

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 iPhone12,8
iOS Version 15.3
Release Date 2022-01-26
Update Date 2022-01-23
Sha1sum
0e225d5a85ea491ae4f54e6293a66498401ed2e4
Sha256sum
5398f4c9ad3e1c806ae16f81eb2f2de285cb671c3accbd571cece2f7b01f0d34
md5sum
5decd2bbeefde693b3c7968110a1472d
Size 5.73 GB
FileName
iPhone12,8_15.3_19D50_Restore.ipsw
Status

Download IPSW (5.73GB) 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