Upgrade Hollyland Tech August 17, 2022 10:27 Updated Note: V1.1.1.0 and V1.0.1.7 are the latest firmware version for Mars 300 pro (Long-press thumbwheel to enter the menu to check the current firmware version) DOWNLOAD PATH: Firmware_Download Tip: We don't recommand to do the upgrade if the device is working normally. Please do the operations as below: 1. Prepare a small USB disk(16/32G), then format it to FAT32. 2. Download all the upgrade file to the USB disk root directory (It will recognize automatically to upgrade) 3. Connect the USB disk to our device, it will do the upgrade automatically after turning the device on Related articles Firmware What are the differences between the STANDARD and ENHANCED version of MARS 300 PRO? How to connect MARS 300 Pro with the HollyView App? How to find the WiFi password ? APP CONNECTION & CHANNEL CHANGE & CHANNEL SCAN Comments 0 comments Article is closed for comments.