HERE ARE STEPS HOW TO HARD RESET OUR STAR MOBILE NAVI:
1) press simultaneously volume up and power botton until menu for android appears.
if you encounter this:
fast boot 0 ramdump
> stop
> then press again volume up and power botton simultaneously until the language menu for android appears.
(honestly guys fast boot 0 ramdump appears when i tested it)
2) after the language menu for android appears, select english
3) now you have the master reset and the menu.
1) press simultaneously volume up and power botton until menu for android appears.
if you encounter this:
fast boot 0 ramdump
> stop
> then press again volume up and power botton simultaneously until the language menu for android appears.
(honestly guys fast boot 0 ramdump appears when i tested it)
2) after the language menu for android appears, select english
3) now you have the master reset and the menu.