Region : India

Model : TL-MR3020

Hardware Version : V1

Firmware Version : 140610

ISP : TATA DOCOMO / BSNL (both 3G)

hi there,
i have 3020 and a IP camera.
i can connect my IP camera to other router which is connected to wired ISP. and everything is working OK there.
but whenever i connect my cam to its required location, where 3020 router is established, the cam working OK in LAN if router is offline.
when i connect my 3G USB stick to router and connect to internet , my IP camera starts disconnecting and can not visible on network ( not in LAN or in WAN).
i have tried last 3 firmware ,but no success still.

Please give me some solution as i want to run my cam asap.