You can update firmware for the DJI M350 RTK ecosystem in the following ways:

1. Connect the aircraft to a computer and use DJI Assistant 2 (Enterprise Series) to update the firmware of the aircraft, remote controller, and D-RTK 2 Mobile Station.

2. Use DJI Pilot 2 to update the firmware of the aircraft, remote controller, and Intelligent Battery Station.

3. Visit the official DJI website to download the offline firmware update package for the aircraft, Intelligent Battery Station, and remote controller. Then, insert an SD card storing the firmware package into the remote controller for offline update.

For details, please refer to the user manual.