Download iOS 13.6.1 (17G80) for iPhone XR

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 iPhone11,8
iOS Version 13.6.1
Release Date 2020-08-12
Update Date 2020-08-07
Sha1sum
c81c354a4b8a9ca1c5c482d109ef512dc3ef8a8b
Sha256sum
167902c6e8c8605b635fcf47037a7d9749f3e0e513aa007e7d6afd3e7abfcb04
md5sum
bf6d6c831946334f984df15c3c70c5fa
Size 4.46 GB
FileName
iPhone11,8,iPhone12,1_13.6.1_17G80_Restore.ipsw
Status

Download IPSW (4.46GB) Check device info
Release Notes

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

iOS 13.6.1 includes bug fixes for your iPhone.

Some features may not be available for all regions or on all Apple devices. For information on the security content of Apple software updates, please visit this website: https://support.apple.com/kb/HT201222