K1S - Updating firmware



Spytec lists the K1S firmware at https://spytec.freshdesk.com/support/solutions/folders/5000257346, I'm currently running the previous version (R157). So two questions:

Is installation as simple as just copying the .bin onto my SD card? Both Windows 8/10 and Linux don't recognize the device, so I'd really like to avoid bricking it since there doesn't look to be any way I can mess with it after it breaks.

Is there a changelist anywhere about what this firmware adds/fixes? The...

K1S - Updating firmware