1. Change History Date Version Description Download Remarks 2022-8-5 V2.0.2.8 This is the initial version. Google Drive: https://drive.google.com/drive/folders/19MPMIRyZ K4M5fByZxugzX05kdtZabHJD?usp=sharing 2022-10-14 V2.1.0.3 1. Added the video recording/ playback function.2. Optimized the startup time.3. Fixed other known issues. Google Drive: https://drive.google.com/drive/folders/16QCdbJUdeUqRLzE9sGtD3gL6rrr2yJHo?usp=sharing The upgrade guide applies only to the H210 hardware version. Early demo devices with a hardware version of
Mars M1 Firmware Upgrade Guide
![Mars M1 firmware](https://cdn.hollyland.com/wp-content/uploads/2023/03/30171416/Mars-M1-firmware.jpg)