java -jar uber-apk-signer.jar --apks existing-app.apk --allowResign
The tool automatically verifies signatures after the signing process completes. download uber-apk-signer.jar
java -jar uber-apk-signer.jar \ --apks /path/to/app.apk \ --keystore /path/to/release.keystore \ --alias release_alias \ --ksAliasPass pass:your_keystore_password \ --ksKeyPass pass:your_key_password Use code with caution. Common Use Cases java -jar uber-apk-signer