Ensure your charger is connected to a stable AC power source. The specific HTRC ISP (In-System Programming) tool. 📥 Step 1: Download the Files Visit the official HTRC website (ht-rc.com) or the authorized retailer’s support page. Navigate to the Search for "T240 Duo Firmware." Download the firmware file and the Update Tool (usually a .zip file). Extract the files to a folder on your desktop. 🔌 Step 2: Connection Procedure plug the USB into the charger yet. ISP Update Tool on your PC. Locate the Micro-USB port on the side of the T240 Duo. Connect the USB cable to your PC first. Hold down the Channel button
Hold down a specific button (usually the "Channel" or "Enter" button) while powering the unit on to enter Bootloader/Update mode. Software Tool: Htrc T240 Duo Firmware Update
A: If you are only charging standard LiPos in warm weather, you might be fine. However, if you plan to charge LiHVs, LiFePO4s, or use regenerative discharge, the update is mandatory. Ensure your charger is connected to a stable AC power source
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