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How to Sideload Apps and Use Developer Mode on WearOS

Developer mode on WearOS lets you install apps not available in the Play Store through sideloading. This enables installing modified apps, beta versions, or apps from alternative sources.

Enabling Developer Mode​

Unlock developer options to access ADB debugging.

  • Access Build Number: Navigate to Settings System About Software info on your watch. The exact path varies by manufacturer.

  • Enable Developer Mode: Tap Build number seven times consecutively. You'll see a message confirming "You are now a developer!" after the seventh tap.

  • Enable ADB Debugging: Return to Settings System Developer options and enable ADB debugging. This allows your watch to accept connections from computers or sideloading apps.

  • Wireless Debugging (WearOS 4+): On newer versions, enable Wireless debugging in developer options. This allows ADB connections over WiFi without USB cables.

Sideloading Methods​

Several apps simplify the sideloading process without command-line tools.

  • Wear Installer 2 (Recommended): Install on your phone, select APK files, and transfer them to your watch via ADB. Works reliably with most WearOS watches.

  • Apps2Fire: Originally designed for Fire TV, this app works with WearOS to push installed phone apps or specific APK files to your watch.

  • Bugjaeger: A comprehensive ADB tool that simplifies pairing and APK installation. Good for users who need more control over the sideloading process.

  • Direct ADB Commands: For advanced users, install Android SDK Platform Tools on your computer and use adb install [app.apk] commands to install APK files manually.

Sideloading Process​

General steps for installing apps via sideloading.

  • Download APK: Obtain the APK file from a trusted source. Ensure it's a watch-compatible version if available.

  • Pair Devices: Connect your sideloading app to your watch via WiFi or Bluetooth. The watch may prompt you to authorize the connection.

  • Transfer and Install: Select the APK file and initiate the transfer. The app installs automatically once transfer completes.

  • Verify Installation: Open the app drawer on your watch to confirm the app appears and launches correctly.

Troubleshooting Common Issues​

Resolve typical problems during sideloading.

  • "Could not connect to watch": Ensure both devices are on the same WiFi network. Restart ADB debugging on the watch and try again.

  • "Watch APK not found": The app may not have a watch-specific version. Phone-only apps won't work properly on watches even if installed.

  • "INSTALL_FAILED_NO_MATCHING_ABIS": The APK architecture doesn't match your watch's processor. Look for an ARM-compatible version of the app.

  • Connection Drops: Some watches aggressively close ADB connections. Keep the watch screen on during transfers by disabling sleep or using theater mode.

Security Considerations​

Protect your watch after sideloading.

  • Disable ADB When Done: Turn off ADB debugging in developer options after finishing. Leaving it enabled creates security risks and drains battery.

  • Trusted Sources Only: Only install APKs from developers and sources you trust. Sideloaded apps bypass Play Store security scanning.

  • Backup First: Consider backing up your watch data before installing experimental apps that might cause instability.

See Also: WearOS App Management Guide|Installing Games on WearOS|WearOS Battery Drain Solutions

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