@amilayajr,
why you not read Post Data and all update?, not search more of to trye with "Firewater" becouse this is "Down Server" from his development.
You read post of 9/10 mounths ago and NOT read last post with all update.
Only "SunShine" work for get S-OFF or too much high price only for one phone, with "Java Card" no other solution.
Here in 10 sec. with Java Card:
BR
allumts