certificate write sm-g920t

Operation: Write CERT
Selected model: SM-G920T
Software version: 24.1
Waiting ADB device… OK
Reading phone info…
Model: SM-G920T
Android version: 5.1.1
Product code: SM-G920TZDATMB
Phone version: G920TUVS3DOJC
PDA version: G920TUVS3DOJC
CSC version: G920TTMB3DOJC
CSC country code: USA
CSC sales code: TMB
HW version: REV1.0
Phone S/N: R58G41WB26F
Modem board: SHANNON333
RF cal date: 20150425
IMEI:
Checking Super user right… true
Initialization AT RIL… OK
Checking certificate file… OK
KEY ID: 0346
Check version… OK
Initializating zTool… error (0)
Done with Samsung Tool PRO v.24.1