Miracle Box (or its modern version, ) is widely used for MediaTek-based phones because it handles the delicate "handshake" between the PC and the phone's bootloader without requiring official manufacturer authorization in many cases.
For basic resets without a computer, you can try dialing *#7370# on the home screen, using the default security code 12345 . nokia ta-1235 flash file miracle box
is generally effective for these devices if the correct chipset drivers and firmware are used. Miracle Box (or its modern version, ) is