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 Messages Home - SMS Message. One known signing key across every release we hold.
1.0.0
Current key1 release · Aug 19, 2026Every key we have ever recorded for Messages Home - SMS Message. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
Meta Platforms, Inc. · Social
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