Well to start off the chin plate is glass! So to be careful you don’t cut your self.
Using a hair dryer or heat gun at a low setting and shielding the screen you should be to carefully unstick the plate using a thin spatula. Don’t dig too deep as there are fragile cables just behind which you don’t want to damage.
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Here’s the needed part [https://www.ebay.com/itm/295409261348|Chin Cover Plate MacBook Pro 16"]
Well to start off the chin plate is glass! So to be careful you don’t cut your self.
Using a hair dryer or heat gun at a low setting and shielding the screen you should be to carefully unstick the plate using a thin spatula. Don’t dig too deep as there are fragile cables just behind which you don’t want to damage.