> As far as I can tell when you get a new phone the only way to synchronize message history is to create a local backup on one phone, write down the ~24 digit passphrase, transfer the backup by yourself on the new phone then load it from there. If there's a simpler way I haven't found it.
You're lucky in this case to be on Android. On iOS, Signal blocks any kind of data backups (both on iTunes or on iCloud). [1] So a new iPhone means starting with no chat histories at all. This was requested a long, long time ago (late 2015) and denied stating security as the reason. [2]
You're lucky in this case to be on Android. On iOS, Signal blocks any kind of data backups (both on iTunes or on iCloud). [1] So a new iPhone means starting with no chat histories at all. This was requested a long, long time ago (late 2015) and denied stating security as the reason. [2]
[1]: https://github.com/signalapp/Signal-iOS/wiki/FAQ
[2]: https://github.com/signalapp/Signal-iOS/issues/905