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 중고나라 - 안심되는 중고거래. One known signing key across every release we hold.
8.7.7
Current key1 release · Jul 30, 2026Every key we have ever recorded for 중고나라 - 안심되는 중고거래. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
Shopify Inc. · Business
