Update 5Big firmware to 3.0

Hi,
I just got a 5Big Network 2 which is currently running 2.2.12.2 firmware which is very limited.
Is there a way I could get the 4.0 firmware on it using my Mac (i do not have a Linux machine)
Thanks
I just got a 5Big Network 2 which is currently running 2.2.12.2 firmware which is very limited.
Is there a way I could get the 4.0 firmware on it using my Mac (i do not have a Linux machine)
Thanks