poor service. As far as I know, TP-Link also have global support team . Their email address is support@tp-link.com. You may take a chance.

The 2.194.4.193 is the IP address of the dongle but the dongle will provide another IP address to the router. If the IP address provided to the router is not a public one, then port forwarding can't...

Here is an instruction for 3G/4G troubleshooting I find on TP-Link website: http://www.tp-link.com.au/faq-400.html You can check whether the dongle is identified fine or not and whether this is a...

;)Glad to hear it is working now.

You can use the TL-WR840N as an access point and connect the network ahead to the router's Lan port. Otherwise, you can't change the Lan IP address of TL-WR840N to 192.168.0.X. Here is an instruction...

Not sure, some abnormal behaviors may appear. You can install some anti-virus software, update the version or install patch for your computers or phones.