Lock stopped working

My lock completely stopped working. Ive changed to multiple different brands of barteries but it wont turn on. Anyone else have this problem? I dont even know who to contact about it.

Hello, you can click here to submit a ticket, and our Support Team will contact you
https://support.u-tec.com/hc/en-us

Mine allowed me to enter code but even tho it said “door is open” it did not trigger the mechanism to open. After changing batteries to no avail, I sprayed some WD-40 and it is working now.

I completely uninstalled from the app, then added it back like new.
It worked fine after that