Download iOS 13.3 (17C54) for iPhone X (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 iPhone10,6
iOS Version 13.3
Release Date 2019-12-10
Update Date 2019-12-05
Sha1sum
f1ca9f5162abed8244c3641853243acec6e3a0d1
Sha256sum
c95f6185a7cb67fca1be3f4733d52f8c6afb9c3a0b08ae85e21b51bdced5ff7a
md5sum
6e695b2676f1559bdb8d0c750cba76b1
Size 3.90 GB
FileName
iPhone10,3,iPhone10,6_13.3_17C54_Restore.ipsw
Status

Download IPSW (3.90GB) 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