g903m write cert


please g903m write cert ok but in service mode shows imei status ng. need help thanks
Checking certificate file… OK
KEY ID: 0441
Waiting ADB device… OK
Reading phone info…
Model: SM-G903M
Android version: 5.1.1
Product code: SM-G903MZSACOM
Phone version: G903MUBU1AOI3
PDA version: G903MUBU1AOI4
CSC version: G903MUWA1AOI4
CSC country code: CO
CSC sales code: COM
HW version: MP 0.700
Phone S/N: 00000000000
Modem board: SHANNON310
RF cal date: 20150923
IMEI:
Checking Super user right… true
Reading nv data… OK
Writing nv data… OK
Rebooting phone… OK
Write CERT done

Done with Samsung Tool PRO v.23.6