Here's a patch for the "System_Patches" package which should suppress the SG-1000 notice.
--- a/usr/local/libexec/pfSense-upgrade +++ b/usr/local/libexec/pfSense-upgrade @@ -1547,10 +1547,10 @@ # Do not upgrade the Netgate SG-1000 if [ "$(/bin/kenv -q uboot.board_name 2> /dev/null)" = "A335uFW" ]; then - MESSAGE="ERROR: The Netgate SG-1000 cannot be upgraded. \ -There are no new releases for the SG-1000." - notice "${MESSAGE}" - _echo "${MESSAGE}" + #MESSAGE="ERROR: The Netgate SG-1000 cannot be upgraded. \ +#There are no new releases for the SG-1000." + #notice "${MESSAGE}" + #_echo "${MESSAGE}" exit 1 fi # Do not upgrade while wg interfaces are assigned Path Strip Count => 1 Base Directory => /