how to wipe efs sm-n910g

Selected model: SM-N910G

Selected port: COM39 Z3X BOX Serial Port

Selected port speed: 115200

Searching ADB device...

Please, allow USB debugging on phone...

Please, allow USB debugging on phone... OK

Reading phone info...

Model: SM-N910G

Android version: 4.4.4

Product code: SM-N910GZKEINU

Phone version: N910GDTU1ANK3

PDA version: N910GDTU1ANK3

CSC version: N910GODD1ANK3

IMEI: 355xxxxxxxxx

Phone S/N: R58FB0D202F

Checking Super user right... true

Backuping MMCBLK... OK

Checking phone at COM39

No answer from phone

Done with Samsung Tool v.19.1





please help me

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