[HELP] Where to download my TV FW?

[trongkhanh]

My TV is Samsung UA55F7500BRXXV. And I cant find how to download FW for UA55F7500BRXXV model. My current FW is 1119.

Further more. Recently, my TV have the problems auto turn off and back on. I test many ways to fingure out what causes that problems and that is internet connections. Autoupdate FW is OFF
LAN cable: Keep on rebooting.
Disconnect LAN Cable and use WIFI -> still keep on rebooting.
Disconnect LAN and select Cable in Network Menu -> The problem gone!!!
Anyone have the same problem and have the solutions pls show me...