Hello, what is the current firmware of the C50? It is suggested to connect your computer to the front-device by pass the TP-Link router to test the network connection first. For the unstable...

Hello, you are right; first we need press wps button to enable it; and for the PIN, we can disable it on the web interface. Allow known devices to access internet based on their MAC address is a good...

Do you have any TP-Link device? With the model number, we can give you a specific answer. Generally speaking, we need use a pin or press the WPS button to enable the WPS function, and for the PIN...

Hello, for your information, the TL-WR1200L is sold in mainland of China, that is why it is written in Chinese. As an international tech support, we are not familiar with this product, it is...

Hello, for the speed issue, it is suggested to do further troubleshooting as the below instruction first: https://www.tp-link.com/en/faq-2170.html Besides, we recommend you to use speedtest.net to...

Hi, we are sorry that we do not understand your quetsion due to the languagae barrier, would you please re-send the details of the current issue in English and then we can continue to help you?