1st=galaxy s2 i9100 null imei.three time successful repair with z3x but after restart again imei null.
2nd=galaxy s4 hang on galaxy s4 logo with kernal is not seandroid enforcing error.i try to flash with 4.3 and 4.2.2 full version but odin 3.09 and 3.07 always give a error.odin successfull flash only one tar file but error is still.
3rd=galaxy s4 i9506 network problem.after write efs with z3x imei corupt no imei show /01.now i try to root this methad
How to Root Galaxy S4 (LTE+) I9506 on Android 4.3 Jelly Bean - Android Forums at AndroidCentral.com
but z3x alwways says try to manuly root.please expert help me.