This file will allow MK2 bootloader users
to upgrade to factory stock NB1 while maintaining the ability to downgrade back to factory stock MK2. Thanks to @ted77usa
NB1 bootloader users should not flash this file as it may hard brick your device
Here it is: I337UCUFNB1_Neutered_Odin tar
1. Extract .tar file from .rar file then flash in PDA slot in Odin(AP in Odin v3.09+).
To return to factory stock MK2 flash the I337_MK2_Full_Odin
No mirrors please.