Htrc T240 Duo Firmware Update [upd] Instant

units feature an SD card slot next to the service port for "headless" updates. Format a standard SD card to FAT32 .

Visit the official Shenzhen Haitan Technology (HTRC) website and download the latest firmware .bin file and the HTRC Firmware Update Tool .

The unit will restart autonomously once the ninety-second update process is complete. Troubleshooting Common Issues Htrc T240 Duo Firmware Update

Insert the card, then hold the POWER button for seven seconds until the screen flashes.

Newer versions (like v2.3.0) can improve balance accuracy by up to 76% , ensuring even cell wear and longer battery life. units feature an SD card slot next to

Double-check the official HTRC download portal as links can occasionally be moved during site maintenance.

This method uses a Windows computer and the official HTRC Update Tool . The unit will restart autonomously once the ninety-second

Power on your charger and look for "System Info" in the main menu to see your current version (e.g., v1.2.1).