To repair your sagem mys-7 ******s smart phone the following steps should be followed
1: press the combination of three keys, *+#+Power (star and hash and then power)
2: in the engeneering menu that will come up, just hit the center of the joystick (ok/validation key)
3: sellect menu 3 that is Memory Test
4: sellect menu 2 that is Nand Format,
5: after format chose exit untill first menu,
6: choose reboot to restart the mobile, this restart may take long time to complete the formating
then the phone is ok,