yes it can be. i have already done it. got to get the sims card unlock code and insert a foreign sims card and it will promt for the code. we went from att to straight talk and it didnt promt for a code. so i used mine from verizon out of my nexus and it prompted for a code. viola. power down reinsert straight talk sim card and few mins later it picked up on the 4g signal and it was off and running. now i have to deox this thing and hopfully soon we will have a recovery for it and some roms. patiently waiting though.