Please note, the documentation below is supplied from Apple's update servers. We don't modify the contents of this documentation.
iOS 13.6.1 includes bug fixes for your iPhone.
Addresses an issue where unneeded system data files might not be automatically deleted when available storage is low
Fixes a thermal management issue that caused some displays to exhibit a green tint
Fixes an issue where Exposure Notifications could be disabled for some users
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