Mstarupgrade.bin Recovery -

If the device ignores the recovery attempt and boots into the normal operating system instead, the bootloader likely did not detect a valid upgrade request. Try a different key combination or timing, or attempt to trigger the recovery mode through the engineering menu as described earlier. Some devices also require the USB drive to be inserted while the power is completely off, not just in standby mode.

The flashing process usually takes between 5 to 15 minutes depending on the file size. Mstarupgrade.bin Recovery