My previous phone had been a Pixel and I was familiar with holding down the volume down button and power button at the same time to take a screenshot. When I did this on my Xperia XZ2 Compact, The phone shut off and restarted to a mode where every notification on the phone has a voice assistant reciting it. The phone also functions more slowly. I would like to know what I have done to my phone and whether it is reversible.
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