How can I unlock a nokia c2-01 with a box nitro ATF can tell

How can I unlock a nokia c2-01 with a box nitro ATF can tell

if yur mob simlock type is (15 digit NcK) yu can unlock yur mobile

if yur mob simlock type is (20 digit NcK) Not possible

http://s1.postimg.org/b8smmw79b/Untitled.png

Video tutorial here

http://www.youtube.com/watch?v=BDYEbDXV0aQ

how can i simlock nokia c2-01 with box ?