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@pylapp yeah, but
https://www.aroged.com/2020/12/15/no-cellebrite-didnt-break-signal-the-encrypted-messaging-app/
and
https://nitter.42l.fr/Snowden/status/1338859880384368641
and
https://web.archive.org/web/20201210150311/https://www.cellebrite.com/en/blog/cellebrites-new-solution-for-decrypting-the-signal-app/
describes stuff you could only do if you had unlocked the phone already.
