Firmware 2.1.0.9 corrects an issue with Z1 and Z2 Autos manufactured before June 1, 2020 connecting to iPhone 11s to download data to the Nitelog mobile app. It does not affect the performance or functionality of the Z1 or Z2.

For more information on upgrading the firmware, go to: https://breas.us/z1-z2-firmware-upgrade/