If 'STM32 BOOTLOADER' is not selected, select - from menu, and then select 'STM32 BOOTLOADER' from drop-down list. 'STM32 BOOTLOADER' is selected as the driver to install. This is a confirmation screen as to whether or not to check upgrade of 'Zadig' itself. Then you can download a file with a name like “zadig-2.5.exe”, so double-click it to start. , and download latest Zadig from 'Download' column. Use free software called 'Zadig' to install the driver. Please note that some cables attached to bonus of mobile phone or charger, battery are 'For charging'. You need to use 'For data communication' to communicate with OpenTX/EdgeTX Companion.
There are two types of USB cables: 'For data communication' where all terminals are connected, and 'For charging' where only power supply terminals are connected. Then click 'Device Manager' from the left menu.
Open - and double-click 'Computer Management'. If you see 'STM32 BOOTLOADER' in the 'Other devices' column like this, the driver has not been installed correctly.įollow the steps below to install the driver. Then wait for a while for Windows to recognize the device. With the power off, connect the OpenTX/EdgeTX radio to your computer using a USB cable.
