Download Uber-apk-signer.jar !!link!! Jun 2026

Ensure your APK file is ready for signing.

Ensure you are using the correct keystore. Uninstall the previous version of the app before installing the newly signed one, as mismatched signatures cause installation failure.

Once downloaded, you place it in your ~/tools/ directory, or your project’s build/ folder. You might alias it in your .bashrc :

Ensure your APK file is ready for signing.

Ensure you are using the correct keystore. Uninstall the previous version of the app before installing the newly signed one, as mismatched signatures cause installation failure.

Once downloaded, you place it in your ~/tools/ directory, or your project’s build/ folder. You might alias it in your .bashrc :