What's best for you...it depends. Another way to set the C59, is to WDS bridge it with your Skyhub. In that case, you don't need a cable to connect the C59 with Skyhub. But the thing is, WDS may not...

I don't think we can change the language. Better contact the Korean support to see what they can do

You haven't login tplinkwifi.net to configure it? Actually we don't need internet to access the management menu. Just connect your computer to the tplink router wired or wirelessly, you can start...

There is no way to add DDNS provider unless they add it on the next firmware

Check if the router has WAN/internet IP address when the globe led turns red? If there is one, change DNS to 8.8.8.8. If there is no Ip address, save the system log when red globe light turn on and...

C7 is not a 4G router, it doesn't work with 4G modem. You need MR3420, or MR400/200 with which you just need the sim card