2013 April 4.2.2 I337MVLUAMDJ this is old security and it can be unlocked all the commands work too Bellow versions need to be downgrade to 4.2.2 I337MVLUAMDJ SGH-I337M
Uruguay 2013 August 4.2.2 I337MUMUAMG7 I337MTFGAMH1
SGH-I337M
Puerto Rico 2013 August 4.2.2 I337MUMUAMG3 I337MPCTAMG3
SGH-I337M
Peru (SAM) 2013 August 4.2.2 I337MUMUAMG2 I337MSAMAMG3
SGH-I337M
Mexico (Telcel) 2013 July 4.2.2 I337MUMUAMG1 I337MTCEAMG1
SGH-I337M
Canada (Virgin Mobile) 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Canada (Telus) 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Canada (Koodo Mobile) 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Canada (Bell Mobile) 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Canada (Rogers) 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Tanzania 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Canada (Fido Mobile) 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Unknown 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Unknown 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Canada (SaskTel) 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Unknown 2013 July 4.2.2 I337MVLUAMG1 I337MOYAAMG1
SGH-I337M
Argentina 2013 June 4.2.2 I337MUMUAMDL I337MANCAMDM
SGH-I337M
Mexico (Telcel) 2013 June 4.2.2 I337MUMUAMDL I337MTCEAMDL
SGH-I337M
Mexico (Telcel) 2013 April 4.2.2 I337MUMUAMDJ I337MTCEAMDJ
please let me know if this worked for you
