GALAXY S4 i337M FIDO CANADA 4.2.2 New Security UNLOCK Done 

root not need 
just flash by this file '' I337MVLUAMDJ_I337MOYAAMDJ.zip '' download from z3x
Odin3_v3.07

after flash type

1 *#7284# select MODEM
2 *#9090# select 4 DM OVER UART 
use UART cable C3303k 
press direct unlock




GALAXY S4 i337M FIDO CANADA 4.2.2 New Security UNLOCK Done 1451620_694019103950279_320516629_n