Upgrade successful; wait 5 minutes before clicking Continue [forgot!]
Hard reset (30-30-30)
- Disconnect all UTP cables
- Push reset button for 30 seconds
- Without releasing reset button, disconnect power cord
- Hold reset button for another 30 seconds
- Repower
- Continue to depress reset button for another 30 seconds
- Release reset button and give router 10 seconds to resettle
- Disconnect power cord for 10 seconds and reconnect
All default settings should now be effective