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 OBD2-Autoscanner: FixD ELM327. One known signing key across every release we hold.
4.8 → 4.9
Current key2 releases · Jul 28, 2026 – Aug 11, 2026Every key we have ever recorded for OBD2-Autoscanner: FixD ELM327. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
ScanMaster for ELM327 OBD-2
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