@blank83 Hi, have you tried to factory reset the 4G router once(holding the reset pin until you can see all the lights turn on once, then turn off), then take out the SIM card and insert a micro SIM...

@LilleLudde Hi, I think you can update the firmware of Deco M9 Plus from 1.2.11 to the latest 1.8.1 first: How to Update the Firmware of Deco (Method 3 via firmware upgrade utility) By the way, what...

@vikas027 Hi, may I know how long you have had Deco X20? Please also swap its power adapter with another Deco X20 and plug it into a different power socket. And have you tried to HTTP Uboot firmware...

@Kkai Hi, it might have something to do with your current firmware. 1.1.8 Build 20191102 Rel. 58333 is an ISP-customized version that hasn't added the option to edit wireless security settings. Is...

@Nikos89 Hi, can I have the model number of your ISP modem? Is it a modem-router combo? I think you might need to set Deco P9 into "Access Point" mode if both P9s are connected directly to the ISP...

@PassZero Hi, welcome to the community. May I know your internet service provider? How about the internet connection type, Dynamic IP or PPPoE? Would there still be a valid IPV4 address under Deco...