Please try the following steps:
- Turn to the projector's main page and click "Settings".
- Choose "Universal Setting".
- Select "Restore Factory Default" and click the "OK" button on the projector or remote, then the projector will be restored successfully within a few seconds.
If this issue persists, please contact Ultimea customer support at firstname.lastname@example.org for further assistance. Please make sure to mention that you have tried the steps in the FAQ so that our agents do not ask you to repeat these steps.