From a cybersecurity perspective, this firmware presents several risks common to IoT and embedded devices:
If you have the binary file and need to flash it: tsumv53ruul-z1 firmware
The status LED will flash rapidly while the update is in progress. Do disconnect power until the LED stops flashing and stays solid or turns off. From a cybersecurity perspective
: Use an empty USB flash drive formatted to FAT32 . tsumv53ruul-z1 firmware