Why won't my phone turn on?

iPhone8, was working fine … put the phone down before dinner, 45 minutes later the phone can’t be turned on? Had 90+ batter at the time, was looking at FB when I set it down. Tried to hard reset the phone, but it’s dead … like it “bricked” somehow … anyone seen this? Thanks for any info.

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Any bad bumps or liquid damage at some stage ? Any signs of life when you plug it to a PC with iTunes open..does it get recognized ?

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