Here you can update the firmware of the HeatBooster.
The module can automatically download and install the latest firmware version. To start this process, click here.
You can also manually update the firmware of the HeatBooster. The latest firmware files can be downloaded from https://www.sdr-engineering.nl/dl_firmware/heatbooster.
There are two steps in the process, and you have to complete both before rebooting the module. Do not power down the module during the process! In case the update fails, use a cable to update the firmware.
Select 'ota_binary.bin' file from firmware package, click update button and wait for the upload to finish and the next step to appear.