dear , you can find the instructions from this link about how to update the SEA1 , as for the MAC address , you can know that in the seeting > about media , good luck to you dear . :lol
I can't seem to be able to get any wheres with this i might as well throw this thing away. Can i send it back to you for repair? the key you sent doesn't do anything the ISO sea 105 using flash type emmc do i have to push the firmware update on bottom of unit? I can't use HDMI to tv because it keeps blanking out after short time
after using win 7 computer and ring to update sea 1 i found the realtech driver for usb not working when installed I tried it on 2 different computers and had same issues