@KASTURI Hi, thanks for posting question here. You may follow this guide to configure your range extender via Tether app. It is also suggested to contact local technical support for direct help.

@Fireplace Hi, thanks for posting question here. Did you set up range extender mode or access point mode for the RE505X? Did you connect RE505X to the main router via Ethernet cable? You may take...

@OdinSKS141 Hi, thanks for posting question here. You may try firmware recovery follow this guide for this Deco. If it does not work, I am afraid this Deco E4 got defective and you may confirm...

@arb88 Hi, thanks for posting question here. Please do not worry and it is suggested to follow this guide to troubleshoot if you get slow speed from the Deco network.

@Rajas-Bhakta Hi, thanks for posting question here. Yes, you may follow this guide to create a new network in the Deco app.

@Manuel1006 Hi, thanks for posting question here. It is suggested to follow this guide to set up port forwarding feature. Note: If the WAN IP address of the Deco is not a public IP address but a...