Htrc T240 Duo | Firmware Update

Upgrading to newer firmware versions, such as , often introduces significant performance and safety enhancements:

: Hobbyists typically seek updates to fix issues like voltage overcharging (e.g., LiPos ending at 4.22V instead of 4.20V) or to stabilize calibration settings that are lost when the unit is powered off.

Visit the Official HTRC Download Page and grab the latest Firmware Update Tool (v1.5.2 or newer) and the firmware .bin file .

To update your T240 Duo, you will need a Windows-based PC and a compatible USB-C data cable. 1. Preparation

: Do not disconnect the USB cable or power off the charger during this phase to avoid "bricking" the device.

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