@Dagster Thanks for your reply. That is a little weird, to locate the issue and fix it, our engineer will email you later. If you are willing to do further troubleshooting, please notice your inbox....

@Badrol Thanks for your reply. Any further question, do not hesitate to contact us.

@Faisal86 You are welcome, glad to help you. If need more help in the future, do not hesitate to contact us.

@PhilWin You can use the wifi analyzer to scan the signal strength from the main Deco and choose a good location for the slave one. Or you can use the signal strength icon between the 2 Decos on the...

@Kaczo Please connect the 3rd Deco to the modem and set it up as the main Deco to update the firmware. Click here to get the instruction to configure slave Deco as main Deco.

@Badgermac The Deco M4 supports guest network in AP mode, and you can customize the network name.