i flashed with AM3358 Debian 10.3 2020-04-06 4GB SD IoT image on 8 gb sandisk SD Card(memory card) , now after flashing Emmc memory of beagle bone , i powered on the beagle bone black industrial rev c power leds and usr leds are on statically it is not all blinking and beagle bone was not detecting in the system
Just grab the latest version of the flasher from: https://forum.beagleboard.org/tag/latest-images
Regards,