How to Make YouTube Videos Fill the Whole Screen on Any Phone
Fullscreen isn't always fullscreen, especially on your smartphone. As screens get taller and bezels get slimmer, more phones end up with an aspect ratio that doesn't match most YouTube videos. Luckily the video-sharing app has a nifty workaround to fill your screen. First, open the YouTube app for iPhone or Android and find a video to play. This trick doesn't work on YouTube in your mobile web browser, so you must use the official app. Next, play the video and rotate your phone into landscape mode. Although the video is technically in fullscreen, there will most likely be black bars... more
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