You can rename the networks without turning off Smart WiFi. But the current update will periodically reset the hub to factory settings which will wipe out any changes you make. I have had to set my hub up from scratch 3 times now. Hopefully the next update to the firmware will fix the issue.
Cable customer since 1993. Services: FH TV, Sky Sports & Movies (2xV6), Talk Anytime Phone, VIVID 350, Virgin PAYG Mobile