Blue box stuck on main screen can't access anything else on my phone?
I have a blue box in the middle of my phones screen and it won't go away, I also can't go to any of my apps or other pages and I can't access my phones main screen or restart or turn off my phone. I tried editing a picture and it said to hold the back button and some other button but I'm not familiar with the other button it's referring too! Please help me remove this feature and get access back to my phone!
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