: Since you're installing an app from outside the Google Play Store, you need to allow your device to do so. Go to Settings > Security (or Privacy on some devices) and toggle on the "Unknown sources" or "Install from unknown apps" option for your browser or file manager app.
Because Zimperium does not publicly post SHA-256 checksums for older versions, verifying the integrity of a GitHub-hosted APK is difficult for the average user. Without a known-good hash, the user cannot confirm if the file has been tampered with. zanti apk github install
: Simulates Man-in-the-Middle exploits for audits. Troubleshooting Common Installation Errors : Since you're installing an app from outside