@HARSHITGOYAL112 Hi, thanks for posting question here. I am afraid that there is no way to block certain IP address.

@CaptainKool Hi, we need your cooperation to tell your ISP and the model of your 2.5G GPON module first. Thank you~ You may refer to this thread if you are not sure what model means.

@EliWeizman Hi, thanks for posting question here. If you disconnect AP to VR600, connect your phone to VR600 and keep the PC connected to LAN2 port of VR600, does the same issue? When did the problem...

@janice171 Hi, thanks for posting question here. If using the router in a house, it is more recommended a 4G/5G LTE router. You may refer to the official website using Filter tool to pick up a proper...

@SpiritoftheBlue Hi, thanks for posting question here. May I confirm what TP-Link product you mean? Please share more details if you need further suggestions~

@Andrea_Cm Hi, thanks for posting question here. Sorry we have no suggestions for adding external antennas and it is not suggested to do so. If the network is unstable, you may put the same SIM card...