@Kevin_Z This router was deployed in Thailand so neither I nor my customer don't have chance to see it, because it was setuped on a very high rack. For the SIM card replacement and LED status, it...

I have a tp-link 4G LTE router used in Thailand with AIS's SIM card inserted. There are intermittent 4G connectivity in these days. I download the system log and post it in the following. This issue...

@Kevin_Z Here are my situation: 1. I have many tp-link routers, for example, Archer MR200/TL-WR940N/TL-MR6400. All of them were bought in Taiwan. 2. I will use the above routers in mainland China. 3....

@Kevin_Z Are these DDNS service workable in China?