Connect the main AC power cord to the outlet. The screen may remain blank or display a dedicated "Update Mode" graphic; this confirms the bootloader is active. Step 4: Execute the Flash Return to the PC flashing utility software.
A: Absolutely not. The charger's microcontroller is completely occupied by the update process. Do not attempt to charge a battery during this time. Htrc T240 Duo Firmware Update
If you encounter issues during the update process, use this matrix to diagnose and fix the failure state. Probable Cause Corrective Action Bad USB cable or missing driver Connect the main AC power cord to the outlet
To help clarify any specific issues you are running into, let me know: What is your computer running? Htrc T240 Duo Firmware Update
Ensure your computer does not go into sleep mode during the transfer.
