@Czekoloczek Hi, Thanks for posting on TP-Link Community. It supports TCP NAT loopback.

@ngrlc Hi, Please test with other wall sockets. If the issue still exists, please try to reset it again. If all the suggestions above cannot help, please contact the local support to check the...

@superduper64 Hi, Thank you so much for taking the time to post the issue on the TP-Link community! To better assist you, I've created a support ticket via your registered email address, and...

@Ste_F Hi, Thanks for your update. To better assist you, I've created a support ticket via your registered email address, and escalated it to our support engineer to look into the issue. The ticket...

@abcd72 Hi, Currently, the 4/5G routers do not support managing data limits per user based on total usage.

@Pumba_99 Hi, How did you set up the QoS settings? Did you apply speed limits to individual devices? Please kindly share more details about the issue you met.