[SOLVED] [split] Cannot update to RPi Snakeoil Firmware Gear Isolation U10

[uglymusic]

Permissions issue ?
 

Code:

sudo chmod 755 (path-to-file) /snakeoil-armv7l-1.2.10.fw

I've changed permissions:



Then, I cast around for what to do next! I tried this (rebooting after changing permissions):




But no luck.

20 minutes Googling and throwing caution to the winds at the command line and I haven't found how to move forward. 

Any help will be gratefully accepted!