Tried flashing 386.7 again on AX88U and it broke it. Even tried fresh one more time, no add ons, let it sit , no USB drive, overnight.
On an AX88U with AIMesh, IPV4/IPV6 (disabling IPV6 was also a no go with WAN Agg), and with WAN Aggregation (disabling it works), Comcast 1200/50 w/ Netgear...