Android only installs an update signed by the same key as the version already on your device. This timeline shows every signing key we've seen for Sonata Messenger. One known signing key across every release we hold.
4.7.8
Current key1 release · Aug 13, 2026Every key we have ever recorded for Sonata Messenger. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
WhatsApp Messenger
WhatsApp LLC · Communication
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