1. Firmware

2. Method for Upgrading ATA ELRS 1W Firmware (Offline)

(1) Use a data cable that can transmit data. Press and hold the button on the side of the Long-range Module ATA ELRS 1W while connecting the data cable to the Type-C port of the ATA ELRS 1W to enter the firmware upgrade process and upgrade the firmware normally. (Otherwise, it will remain on the waiting power-up synchronization interface, and the firmware cannot be upgraded properly.)

(2) Download the firmware-V3.3.0 above.

(3) Open flash_download_tool.

(4) Waiting for the progress bar to complete.