Download iOS 13.3 (17C54) for iPhone SE

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 iPhone8,4
iOS Version 13.3
Release Date 2019-12-10
Update Date 2019-12-05
Sha1sum
b21f9db1041e56f5765884b2d0b951ee21198a1e
Sha256sum
742b834192a30c0cb59f67619e47a82c3c812b97e6dc5c35e9c797bf49e75180
md5sum
f8b1bcff61307c1d68d59bc70f12ac8d
Size 3.43 GB
FileName
iPhone_4.0_64bit_13.3_17C54_Restore.ipsw
Status

Download IPSW (3.43GB) Check device info
Release Notes

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

iOS 13.3 includes improvements, bug fixes and additional parental controls for Screen Time.

Screen Time

Apple News

Stocks

This update also includes bug fixes and other improvements. This update:

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

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