A500m. how to write imei 2 with z3x?

Here log.- Only write 1 cert file.- Choosing m/ds, not change, always write 1 imei.-
I doing Something wrong?

here log

hecking certificate file… OK
KEY ID: 0756
Waiting ADB device… OK
Reading phone info…
Model: SM-A500M
Android version: 4.4.4
Product code: SM-A500MZKMCTI
Phone version: A500MUBU1AOC1
PDA version: A500MUBU1AOI1
CSC version: A500MUWA1AOC1
CSC country code: Argentina
CSC sales code: CTI
HW version: MP 1.100
Phone S/N: R2xxxxAJK
Modem board: MSM8916
RF cal date: 2015.07.21
IMEI: 3xxxxxxxxx
Bypass MSL… OK
Checking for compatible phone and cert… OK
Phone KEY ID: 0756
Writing CERT… OK
Checking CERT status… OK
Rebooting phone… OK

Done with Samsung Tool PRO v.26.0

whaiting help