At this point, Amazon has a few different 4K models of streaming stick to choose from, so what makes the Fire TV Stick 4K Select different? Well, it allows you to stream in 4K Ultra HD with High Dynamic Range 10+, but it doesn't support Dolby Vision like its more expensive counterparts. It also supports WiFi 5 — whereas pricier models support WiFi 6 or WiFi 6E — for improved streaming quality. If you don't mind these aspects, this is a great way to score higher picture quality for less.
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，这一点在新收录的资料中也有详细论述
Green: March Madness Lingo
Updating firmware fixes more performance issues than you'd think.