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Hello, Your TV was designed and produced LONG before the 4K standard was developed or even conceived, so you will never be able to utilize the 4K components to their potential using this older DLP TV. A brand new 4K Ultra HD TV would be needed if you wanted to experience the 4K quality. That being said, I would consider returning the 4K devices you have now for standard HD as that is all the TV is capable of producing (standard HD 1080P resolution).
4K was only conceived and introduced a few short years ago and this set is 10 years old. Additionally there is no software or anything else that could allow the set's Mainboard to scale or produce signals in 2160P HD quality, it's simply well beyond the limitations of the TV.
Other than that a new 4K ultra-HD set would be needed to experience the quality of those components. Sorry for the bad news here and I wish there were a quick fix.
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