Manual installation

Downloading the APK File

1. Visit ViperLabs official website

2. Navigate to "Android APK" section

3. Download "ViperWallet.apk"

   • Recommended: Use stable release (not beta)

   • File size: ~35MB

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2. Pre-Installation Setup

Enable Unknown Sources:

1. Go to: Settings → Security → Install unknown apps

2. Select your browser/file manager

3. Toggle "Allow from this source"

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3. Installation Process

1. Open downloaded APK file

2. Tap "Install"

3. Wait for installation to complete (~30 seconds)

4. Select "Open" when done

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4. Post-Installation Verification

✔ Confirm app shows as "Viper Wallet" in app drawer ✔ Check developer name: "ViperLabs OU" ✔ Recommended: Verify APK checksum (SHA-256 available on website)

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5. First Launch Configuration

1. Launch Viper Wallet

2. Choose:

   • Create New Wallet (for first-time users)

   • Import Existing Wallet (seed phrase/private key)

3. Set up PIN protection

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Security Notes

⚠ Critical Steps for Safe Installation:

• Only download from official ViperLabs website

• Never install from third-party app stores

• Disable "Unknown Sources" after installation

• Delete APK file post-installation

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Troubleshooting

🔹 Installation Blocked?

• Ensure sufficient storage space (>100MB free)

• Re-download APK if corrupted

🔹 App Crashes on Launch?

• Check Android version compatibility

• Clear app cache/data