Will Signagelive work on a UR(640) series LG?

No - this series of LG is a commercial grade TV with no Signage API support, so will not be capable of running any third-party CMS software.

How can I find out more?

You can always search for answers with the Signagelive Help Centre, but rest assured we have a dedicated Support Team that is ready to assist you with any questions you may have. We are always here to help as best we can, so just contact us for any help you require.