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 Phone - Call & Contacts. One known signing key across every release we hold.
1.39
Current key1 release · Jul 27, 2026Every key we have ever recorded for Phone - Call & Contacts. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
Shortshows - Short Drama TV
Coolie Hat · Entertainment