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 Hệ thống thông tin Tuyên giáo. One known signing key across every release we hold.
3.1.2
Current key1 release · Jul 29, 2026Every key we have ever recorded for Hệ thống thông tin Tuyên giáo. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
Ecabiet HYN
Viettel Business Solutions Corporation · Tools
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