Duo Firmware Update !!exclusive!! | Htrc T240

Swap the Micro-USB cable. Many cables only carry power and lack data lines. Try a different USB port directly on your computer motherboard rather than a USB hub. Update Fails Mid-Way

: Adds the ability to safely charge High Voltage Lithium batteries up to 8.4V. Htrc T240 Duo Firmware Update

Close the software, unplug the T240 Duo from the wall and PC, restart your computer, and try the process again. Ensure no background programs are occupying the COM ports. Touch Screen Unresponsive Post-Update Swap the Micro-USB cable

With new firmware installed, adopt these best practices to keep your charger running optimally: restart your computer