CarlinKit TBox mini offline upgrade method (micro SD card+charger)

Put the downloaded file into the micro SD card (The Update.zip file with this name does not need to be unpacked) Power up the Tbox mini with the charger and data cable At the beginning TBox mini&signal light status is always on After the signal light flashes, insert the micro SD card into the micro SD card slot During the upgrade process, the white signal light will keep blinking. (The video is accelerated, so the flashing speed of the signal light will be accelerated) The upgrade process takes about 3~7 minutes After the upgrade is finished The signal light will be off briefly and then start flashing again. the upgrade is complete.