3. MaskRom mode

See startup mode for an introduction startup mode

MasRrom mode is the last line of defense against device being bricked. Forced entry MaskRom involved hardware operation, have certain risk, so only in the situation that deivce failed entering the Loader mode, you can try MaskRom mode.

Please read carefully and operate carefully!

The operation steps are as follows:

  1. Disconnect all power supplies.

  2. Connect device and host PC with Double male USB data cable.

  3. Press and hold Maskrom button on device.

  4. Connect the power.

  5. Wait a few seconds, release Maskrom button.

At this point, the device should go into MaskRom mode.

_images/maskrom_en.png