Klein ET21 Borescope — Old versions
Klein Tools, Inc.No older versions available yet. Current release.
What's new in V1.3.2
v1.3.2 ET21
Signing history
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 Klein ET21 Borescope. One known signing key across every release we hold.
V1.3.2
Current key1 release · Jul 28, 2026ee81 f149 9df8 ffe3…
Certificates on record (1)
Every key we have ever recorded for Klein ET21 Borescope. New builds are compared against this set; a build signed by none of them is what our badge calls a mismatch.
- ee81 f149 9df8 ffe3…Recorded the first time we scanned this package · Jul 28, 2026CN=Android, O=Google Inc.