Factory Reset - Please

How to Factory Reset without touchscreen?
Where is factory reset button on device?
Somehow the device became locked.
Did not change PIN.
Although may had inadvertently enabled encryption password.
Please advise.
Thank you.
Bob

Hi @bob512 - could you try these steps

https://community.myteracube.com/t/erase-user-data-without-a-touchscreen/275