3. MaskRom mode

See startup mode for an introduction startup mode

MaskRom pattern is the last line of defense equipment burn out. Forced entry MaskRom involved hardware operation, have certain risk, so only in the equipment into the Loader mode, can try MaskRom mode.

Please read carefully and operate carefully!

The operation steps are as follows:

You can press the MaskROM key and then power on the device

_images/upgrade_maskrom_key.png

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

_images/upgrade_maskrom_zh.png