@Howsat The disconnection problem happens only WiFi connection or both WiFi and wired connection lose internet access? Please send me screenshots of Basic-Network Map page and Advanced->Status page...

@Crowtz Please refer to the link below to troubleshoot the internet issues: https://www.tp-link.com/en/support/faq/2468/ Hope it helps!

@GT73 Could you please send the screenshots of Basic->Network Map and Advanced->Status page when it works fine and when internet drops? In addition, who is the carrier of your SIM card? if you insert...

@Mudhoffar7 If you insert the same SIM card into your phone, will the phone work fine and stable on 4G? Please also check the network type and band on Advanced->Status->3G/4G part when the router is...

Contact tplink support for solution

Troubleshoot https://www.tp-link.com/en/faq-800.html There is another way to set up the camera: https://www.tp-link.com/en/faq-820.html