Selected model: T999 Selected port: COM3 Z3X BOX Serial Port Selected port speed: 115200 Searching ADB device... OK Reading phone info... Model: SGH-T999 Android version: 4.1.2 Product code: SGH2T999RWATMB Phone version: T999UVDMD5 PDA version: T999UVDMD5 CSC version: T999TMBDMD5 IMEI: 353022056561837 Phone S/N: R21C96T6REX Checking Super user right... true Backuping MMCBLK... OK Checking phone at COM3 not found Done with Samsung Tool v.18.1 Done with Samsung Tool v.18.1