You’re watching a YouTube video, but no sound is coming from your iPhone’s speakers. You increase the volume but nothing happens. You check if you accidentally muted the video and it turns out you did not. Then you check, several times, if your headphones are still connected — they’re not. What’s going on? Your iPhone is stuck in headphone mode. It’s behaving as though headphones are connected, even though they clearly aren’t. This is a known and well-documented glitch.
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