@G4nt3nK Thank you very much for the update. I do have a small question and hope you could help me find it out. What is your previous operating system when you first ran the upgrade tool, Windows 11?

@flashVenom Hi, your configuration will work perfectly and you have configured the Pi-hole server correctly. The WAN DNS(1.1.1.1/1.1.1.2) you have manually set up is also right. So the current...

@nyteodoro Hi, I see your current version is the factory version. Could you please try to update to a lower version first: Deco X20 V1.2-20201013 And if possible, please also turn off the satellite...

@G4nt3nK Hi, can I have a screenshot of the error message? May I know the model number and operating system of your computer? When I tested on my side, since I not connected to any Deco yet, no...

@Vrouum @comand May I know the hardware version of your M7350, like V3 or V4? and any chance to know why do you need the firmware recovery tool? Thank you very much.

flashVenom wrote POSSIBLE SOLUTION #1 - So should I try JUST setting the "DHCP Server" DNS severs to the PiHole's IP (per SCREEN B)? And leave the IPv4 DNS servers blank on SCREEN A/A2? What do I...