Signal brings encrypted local backups to iOS and desktop, adds cross-platform restore

Signal users who switch from an Android phone to an iPhone, or the other way around, can take their message history with them, and backups can be restored on Android, iOS, Linux, macOS and Windows. The option is part of a set of backup updates the company finished rolling out with Signal for iOS version 8.30. The changes build on Signal Secure Backups, an optional end-to-end encrypted backup service introduced in September 2025.