So if you are able to access the recovery menu, you can do a factory reset. To do so, you need to hit power button, Bixby button, and volume up button together at the exact right moment when Samsung logo appears. The timing has to be perfect. Luckily someone at the Verizon store helped me do this or I would have never gotten it on my own. I was holding the buttons too long or pressing then at the wrong time. It's tricky. But my phone was fine after they helped me do a factory reset.
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