Hi i have one problem.. Please if here some CZ/SK maybe Admins write me better in our lang if not i will try translate it and understand ur helps.. Yesterday i gone objection my first TD-W8961ND of ver 3.1 bcs had sometimes from random reason big ping ... always needed only turn off/on and all was ok later was problem with wifi.. so i gone him on objection and i must buy another bcs i doesn t want be without internet so i bought same TD-W8961ND but with v4 now and i connect turn on all setup all but all work yep.. And after 10 minutes, but the connection disconnected after 2 minutes again renewed, it always do from yesterday to today random time sometimes its after 3 hours he (restart connection). I wanna ask how it solve before on v3 router i havent this problems never.. Just how we bought this new version modem have this problem i try some presets change but still this modem disconnect connection and after some time he again renew :( can someone help me? SRY for my EN im just student :)