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Yes, i already tried double tapping with 3 fingers, but it doesnt work. Its frozen on my home screen. I cant do anything except go into siri for not even a second an it goes back to the zoomed in home screen. I also noticed that when i quickly click into siri it shows the lock symbol. up top.

First turn the phone off, then back on. If that doesn’t take, force restart the phone How to Force Restart an iPhone 5s

When you say “frozen”, do you mean you cannot tap on and open any apps at all? Nor can you swipe around the home screen with two finger drag, etc.?