My Vivint door lock 888 has been used for many years. Please let me know how to remove the Vivint door lock from my door.
My Vivint door lock became loose, and not easy to lock the door. Please let me know how to tighten the Vivint door lock and make it work well.
The House owner gave me the user code. but I can not unlock the door with this user code.How can I unlock it?