Hello @DAVULCU , Welcome to our community. For your case, please refer to the suggestions in What should I do if I cannot access the internet through a Wi-Fi router? Best Regards.

Hello @RAMJITH_K , Welcome to our community. For frequent disconnection, please refer to the suggestion in Unstable connection on the TP-Link router

@rmont5ec , Thanks for reaching out, and thank you so much for your support and investment in TP-Link products! May I know the hardware and firmware versions of every router? How to find the hardware...

Hello @higfield , Welcome to our community. EX820v is a customized device specifically designed for local Service Providers. Its software is tailored to meet the unique requirements of these...

Hello @Luiz92 , Welcome to our community. EX511 is a customized device specifically designed for local Service Providers. Its software is tailored to meet the unique requirements of these providers,...

Hello @Mike_R_84 , Welcome to our community. Please try the troubleshooting steps in What should I do if I cannot access the internet through a Wi-Fi router?