@smashrafulhuq You may check if you can block PUBG via the Parental Control settings on the router: https://www.tp-link.com/support/faq/1723/

@SAGOR675 Hi, below is a setup video for your reference to install your wireless router: https://www.tp-link.com/support/setup-video/ But if you still failed, please refer to the troubleshooting...

@RCN_Sailor29 How many devices are connected to C4000, wired, and wirelessly? You may optimize your wireless network, for the devices with small traffic, please connect them to the 2.4G network, like...

@billybobmac Can you check this topic? https://community.tp-link.com/en/home/forum/topic/257504

@Nishant31 Is the model number Archer C5? Are you using the original power adapter? Try to hard reset it by holding the reset button or hole for 10s, check if the LEDs will be normal. Was there any...

@huddie Are you also connecting to the Outlook mail server via a VPN connection? Have you tried to change the DNS server on the AX20 to something like 8.8.8.8 and 8.8.4.4? If possible, please kindly...