Samsung sch-411, 611, n105, a100, a300, a2000

Nam Set: 47*869#08#9
Nam Set: Menu+60
Test Mode: *759#813580
Test Mode: 5809540*45680
A-key: Menu+0, 25##
External Audio: Menu+0, ####
Debug Menu: Menu+8, 0415 or Spc
Debug Menu: Menu+9, 0415 or Spc
Brief NAM Programing: Menu+40,626 (not all version)
LCD Contrast: Menu+45 (not all version)
SIO Mode: Menu+49
SIO Mode: Menu+69