My router was auto updated to V4.6.8.2 and so was one of my satellites

The only problem was that the one RBS failed to update properly. I would suggest that since you have all online now, you can manually update both RBS using there web pages, to v.2, then update the RBR lastly. 

https://community.netgear.com/t5/Orbi-WiFi-6-AX-and-WiFi-6E-AXE/RBK750-and-850-Series-Firmware-Version-v4-6-8-2-Available/td-p/2228203/jump-to/first-unread-message

I also found that distance with the RBS from the RBR can impact how the RBS get FW updates via auto update. You may need to bring the RBS in to a closeer distance from the RBR. 

NG may auto update your system to v.2 at some point. Manually updating helps avoid the auto update issues. 

Mines on v.2 now. Working well. Manually updated. 

I highly recommend to save off a back up configuration to file for safe keeping. Saves time if a reset is needed.
https://kb.netgear.com/000062080/How-do-I-back-up-the-configuration-settings-on-my-Orbi-WiFi-System