Nothing is gone forever...
#GrapheneOS duress password in action. This is on a sacrificial Pixel 6a. I did it a few times, and let me tell you, DO NOT screw around with this. You get no second chance. It's gone. Instantly. And it's beautiful.
https://v.nostr.build/Gel7e.mp4
nostr:npub1c9d95evcdeatgy6dacats5j5mfw96jcyu79579kg9qm3jtf42xzs07sqfm nostr:npub16r0tl8a39hhcrapa03559xahsjqj4s0y6t2n5gpdk64v06jtgekqdkz5pl
Discussion
The encryption keys are deleted, yes the data is still written on the device but if the keys are shredded there is no way to read that data.