to unlock i337M and p7500

[tr3pplea]

i tried to unlock the above phones but they give different errors: Selected model: P7500 Selected port: COM15 Z3X BOX Serial Port Selected port speed: 115200 Searching Samsung modem... detected COM63 Reading phone info... Model: GT-P7500R Country code: RWC Cal date: - Factory SW: P7500RUXLH2 Unique number: CMA12321A1335AE Memory phone: - Software version: P7500RUXLH2/P7500RRWCLH2/P7500RUXLH2/P7500RUXLH2 IMEI: 358194040xxxxxxx Product code: GT-P7500MARRWC Done with Samsung Tool v.14.4 Selected model: P7500 Selected port: COM15 Z3X BOX Serial Port Selected port speed: 115200 Reading phone info... Model: GT-P7500R Android version: 4.0.4 Product code: GT-P7500MARRWC Phone version: P7500RUXLH2 PDA version: P7500RUXLH2 CSC version: P7500RRWCLH2 IMEI: Unknown Checking Super user right... false Rooting phone, please wait... error Not supported android version 4.0.4 Done with Samsung Tool v.14.4 i337M Selected model: I337M Selected port: COM15 Z3X BOX Serial Port Selected port speed: 115200 Reading phone info... no answer from phone Done with Samsung Tool v.14.4 Done with Samsung Tool v.14.4 Please help me with the procedure?????