N920T Read Cert


Android version: 5.1.1
Product code: SM2N920TZDATMB
Phone version: N920TUVS2COKC
PDA version: N920TUVS2COKC
CSC version: N920TTMB2COKC
CSC country code: USA
CSC sales code: TMB
HW version: REV0.2
Phone S/N: RF8GB30S23K
Modem board: SHANNON333
RF cal date: 20151128
IMEI:
Checking Super user right… true
Initializating zTool… OK
Running zTool, please wait… error (7.7.8)

Done with Samsung Tool PRO v.23.9

Any Solutions for this issue????
Thanks in advance