Yes, do a standard upgrade 2 or 3 times.the last firmware I posted is not the recovery one but standard firmware which shall be used twice without any config between!
UPDATE from the team
Upgrade with this firmware TWICE then setup again, tested with an other user & does fix the issue
Thanks.
DSL-AC68U_9.0.0.4_384_21126-fix01_DSL_1.0.4.6.trx.zip
https://www.asuswebstorage.com/navigate/s/7CEEBB5860E54F958BAFD41FD4A5C6234
It worked with me. Finally.
Welcome To SNBForums
SNBForums is a community for anyone who wants to learn about or discuss the latest in wireless routers, network storage and the ins and outs of building and maintaining a small network.
If you'd like to post a question, simply register and have at it!
While you're at it, please check out SmallNetBuilder for product reviews and our famous Router Charts, Ranker and plenty more!