@falp Hi, According to your description, if you set up PPPoE on the Deco X50, then the Deco should work in router mode. If you already have another router in the front and set up PPPoE and work as...

@eyalush Hi, If you want to set up 4G backup for your network, then you need to set up the Deco X20 as the main Deco. How to set up 3G/4G or 4G/5G Backup on Deco router

@Deardida Hi, Yes, you can add more Deco units in the current Deco work. In most cases, for optimal performance, we recommend no more than 6 Decos in a single network. All Deco models can work...

@akapal Hi, For Deco X10, Fast Roaming is open by default. And it does not have the Fast Roaming option.

@Esquire Hi, Please test different Ethernet cables and connect to different LAN ports on the ZTE modem(router). And you can also exchange the location of the main Deco and the satellite Deco unit....

@Atter Hi, Please try this: RE220/RE200/RE190 Keeps Restarting Automatically