@David_Eis Hi, For Deco M4 V2, please try this firmware below. It allows you to customize client connection preferences. Deco M4/S4_V2 Support Connection Preference

@mbarbaro Hi, When you lose internet, will the devices still connect to the router's WIFi? Please insert the SIM card into another router and test if the SIM card can get stable internet access. Or...

@Tullig Hi, What is the model number of your TP-Link devices? Have you added any big electrical devices that may affect the electrical working environment? Please also check the powerline speed. How...

@elnovis Hi, The main Deco should always connect to the router with Ethernet cable. Other satellite Deco units can wirelessly connect to the main one. We only provide English support in community....

@mhmgl60 Hi, Thank you so much for taking the time to post the issue on the TP-Link community! To better assist you, I've created a support ticket via your registered email address, and escalated it...

@Mercury13 Hi, In the screenshot, it is asking for the local password. When setting up the Range Extender for the first time, you will be asked to set a web management admin password for the...