[loginereQQ]

If it is locked to Viva then you need to unlock it, send AZB a pm with the IEMI number and he might beable to find the code for you, he's the resident android, Samsung fanatic.
Viva reception I'd dreadful, my wife had one and we could never hear each other, either me her or her me. Also there are many dead zones where there is no reception at all. In our experience on the Southcoast you are better off sending a letter than trying to communicate through Viva.
i think they are relatively new no?
im not up to date on these things but know it was a bad move trying them.