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Place the .bin firmware file directly into the root directory (do not use folders).
Launch the update tool, select the downloaded firmware file, and click "Update." Htrc T240 Duo Firmware Update
Double-check the official HTRC download portal as links can occasionally be moved during site maintenance. Place the
Visit the official Shenzhen Haitan Technology (HTRC) website and download the latest firmware .bin file and the HTRC Firmware Update Tool . select the downloaded firmware file
Updates resolve known issues like balance charging drift in high-temperature environments or communication errors with PC software. Step-by-Step Firmware Update Guide
Place the .bin firmware file directly into the root directory (do not use folders).
Launch the update tool, select the downloaded firmware file, and click "Update."
Double-check the official HTRC download portal as links can occasionally be moved during site maintenance.
Visit the official Shenzhen Haitan Technology (HTRC) website and download the latest firmware .bin file and the HTRC Firmware Update Tool .
Updates resolve known issues like balance charging drift in high-temperature environments or communication errors with PC software. Step-by-Step Firmware Update Guide