@sufiyan403 Hi, I don't see your router model TL-WR850N listed in the official Tether Compatibility List. https://www.tp-link.com/en/tether/product-list/ Is the Tether app advertised on your router's...

@ErfanNik Hi, FIrst. If there is already another device that has the IP address 192.168.1.1 within your home network (the "main modem"), then the TL-MR100 cannot have the same IP address 192.168.1.1...

@VictorSF Hi, What is your WAN (Internet) connection type? Is it PPPoE? If it is, then verify that the IP address that dnschecker_org resolves for your DNS is indeed the same IP address that your...

@joverruckt Hi, Do the menus of the configuration webpage look the same on both routers? (like the examples in the guide whose link you posted) Maybe doublecheck again that you have typed the correct...

@Shiro2049 Hi, You can only manually fix the speed of the WAN port (blue). The LAN ports (yellow) will always be on auto negotiation. Make sure the Ethernet cable you are using is okay and has a Cat...

@OUTDOOOR It seems that V3 is based on Qualcomm's "Immersive Home 216 Platform", which uses a Dual-Core Cortex-A53 ARM CPU.