first of all, why we should upgrade firmware? Firmware Update menu lets you install the latest software in the tester.
To update the FOXWELL BT780 firmware steps guide below:
Browse Foxwell official website to download the upgrade software.
Products -> Battery analyzer – > BT780 -> BT780 Firmware 1.5 20191219.zip.
Take out the SD card from the BT780 and put it into the card reader.
Format the SD card.
Unzip the file and put it into the SD card.
Pull out the SD card and insert it into the BT780 device.
Press “Power” button of BT780, select language and then “Firmware update”.
Enter the password 1234, firmware is updating, please wait until succeed.
Job is done!