Nope, Signal messages were stored in the phones notification DB even after the app was deleted https://www.404media.co/fbi-extracts-suspects-deleted-signal-mes

Nope, Signal messages were stored in the phones notification DB even after the app was deleted https://www.404media.co/fbi-extracts-suspects-deleted-signal-messages-saved-in-iphone-notification-database-2 https://www.404media.co/fbi-extracts-suspects-deleted-signal...