李旭洋
Published at: 2025-12-26
Firmware upgrade
For Mars 400S Pro II
Note: V1.1.1.9 and V1.0.2.0 are the latest firmware versions.
Download path:
Follow the steps below to upgrade:
1. Prepare a USB disk(16/32G), then format it to the FAT32 file system.
2. Download the files needed to upgrade to the root directory of the USB disk.
3. Connect the USB disk to the device, and the upgrading process will automatically begin after the restart of the device.
