Fixed: YouTube video won't play full screen on iPhone 13 Pro Max / Mini [iOS 15]

Many users complain that YouTube videos do not play full screen on their iPhone (iOS 15). Here we will show you the easiest ways to fix YouTube videos won't play full screen on iPhone 13, 13 Mini, 13 Pro Max or any iPhone running iOS 15.

0:00 What is this video about
0:35 Change display zoom settings
1:13 Play YouTube video in full screen

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