anyone tried before to transfer their streamyx to another address/state? how long did it took u to get connection at new place?

hey, on which condition that we can request an exchange for the default tmnut wifi modem? my case is the lappie dc from wifi each 30secs. and this is very troublesome when i AFK from lappie due to DL-ing. anyone can advise me? or just go for a better modem? My tmnut modem stil under warranty