In Reply to: You don't need too unlock! posted by hoolz on Sunday, 24. March 2013 at 07:22 Bali Time:
Then you should reverse points 1 & 2 above.
Find a place with good WFI, ask for the password, "deactivate data" & "turn off data roaming"...go to the Internet (Google), then download Viber, Tango etc.
You will find that with Viber and Tango you can send a SMS message inviting your contacts to join.