@Przybylkiewicz If possible, can you please try to reset it to the factory defaults (Method 1) and reconfigure it from scratch, then monitor again?

@Arpad Hi, thank you very much for the feedback, it's glad to know you figured it out by yourself, good work:)

@Fandangos I see, thank you again for the detail. I sent you a PM, please check and confirm, thanks.

@vladiy That is weird, is the office one working as a router or AP mode? Try to change another NTP server on the router Time Settings, then reboot the router to confirm. If this still doesn't help,...

@naz_eg Thank you very much for the feedback, we will soon check the debug log and get back to you via email, please keep an eye on your email box.

@paparazz01 Hello, do you mean you cannot upgrade the router firmware successfully? May I know which firmware were you trying to upgrade? Please ensure you are downloading the latest firmware on the...