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 MiChat - Chat, Make Friends. One known signing key across every release we hold.
1.4.742
Current key1 release · Jul 27, 2026Every key we have ever recorded for MiChat - Chat, Make Friends. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
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