Hi, Kevin. The TV is a Pioneer KRP-500M. I do not know what firmware it is running, if any, and do not know how to find out. However, if it has firmware, it is the same version as was on it when it was purchased about five years ago. No changes have ever been made to the TV, and it is not connected to the Internet. This TV worked fine with a WIDI device attached for a year or so until an update of the WIDI software brought everything to a halt. Thank you.
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