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I'm not sure if anyone know but I would like to ask about Signal. I have an Android backup version of Signal message around 2020. Of course I have decrypt key.

I'm not sure if anyone know but I would like to ask about Signal. I have an Android backup version of Signal message around 2020. Of course I have decrypt key. Since I can't restore it with current version, or the 2020 version of Signal (on Github release), how can I decrypt and extract all the message? Thank you.

stavros 3y ago
Hm, why can't you restore it? AFAIK you should be able to.
- quyleanh 3y ago
  Because my backup version comes from old version of Android Signal app. I try to restore with current version of Android Signal but it doesn't work, even with old version.
  - stavros 3y ago
    That's odd, I'm not aware of them changing the backup format, and it definitely should work with the old version. How does it fail?
  - sriacha 3y ago
    Should be able to use old version of the app to restore?
DesertVarnish 3y ago
I remember looking into a similar problem and learned that on desktop it was just an encrypted SQLite DB. It was readable with the standard SQLite library. Not sure of the situation for the mobile backups though!
- quyleanh 3y ago
  I just do a research and there is a GitHub repo. Will try it later. https://github.com/bepaald/signalbackup-tools https://github.com/bepaald/signalbackup-tools