A:AnswerYes. We have an Apple TV and every app has upscaled so far. Direct TV Now and some of the older tv shows on Hulu look amazing. The tv actually alerts you to change the settings and the walkthrough to optimize is great. I think it supports up to 50 hrz
A:AnswerCheck the input source and the output max resolution. The GPU (Graphics Processing Unit) or "video card" may not meet the minimum spec for the monitor/tv.
A:AnswerIf the MLB.TV app is not on your LG SUPER UHD 4K HDR Smart LED TV - 75" Class (74.5" Diag), Model # 75SJ8570, you can use the LG Content Store (App Store) feature on the TV to search for the app and download it to the TV...^IFV
A:AnswerWe would love to help you find the right TV for your needs. Our support team is available via Twitter @LGUSSupport or Facebook www.Facebook.com/LGSupportUSA ^CP
A:AnswerI don’t believe so. The owners manual states
Television System:
ATSC, NTSC-M, 64 and 256 QAM
If I understand right, the DTMB is only really used in Asia.