!full! — Download Uber-apk-signer.jar

Hassle-free solution to unlock iPhone Passcode,
Bypass Apple ID, Remove Screen Time, iCloud Activation Lock, MDM, and more Apple limits.

  • Unlock iPhone Passcode/Face ID/Touch ID/Screen Times
  • Remove iCloud Activation Lock, MDM and Apple ID
  • 7/24 Premium Support + No Technical Knowledge Required
Free Download
Buy Now
Runs on Windows 7/8/10/11 and macOS | iPhone 13/13 Pro/iOS 15.5

!full! — Download Uber-apk-signer.jar

To download the uber-apk-signer.jar file, the official and most secure source is the GitHub Releases page maintained by the developer, patrickfav. Download Steps Navigate to the official GitHub Releases page.

Locate the Latest release (currently version 1.3.0 as of early 2026).

Under the Assets section, click on the file named uber-apk-signer-1.3.0.jar to start the download. Alternative Installation (Scoop)

If you use the Scoop package manager for Windows, you can install it via the command line:scoop install uber-apk-signer. Basic Usage

Once downloaded, you can run the tool using Java. Open your terminal or command prompt and use the following command structure:

java -jar uber-apk-signer-1.3.0.jar --apks /path/to/your/apks Use code with caution. Copied to clipboard download uber-apk-signer.jar

Signature Support: It supports Android signing schemes v1, v2, v3, and v4.

Automatic Actions: It automatically handles zipalign and signature verification after signing.

Debug Signing: If no release certificate is provided, it uses an embedded debug keystore for easy testing.

For more advanced options like using your own keystore or only verifying files, refer to the official README.

You're looking for a helpful guide on downloading and using the uber-apk-signer.jar tool. To download the uber-apk-signer

What is uber-apk-signer.jar?

uber-apk-signer.jar is a Java-based tool used to sign and verify APK (Android Package File) files. It's a popular choice among Android developers and enthusiasts for signing APKs with custom keys, testing APK signatures, and verifying the authenticity of signed APKs.

Downloading uber-apk-signer.jar

To download the uber-apk-signer.jar file, you can use the following methods:

What it is

4. Security and Integrity Verification

For any security-critical tool like an APK signer (which has access to private keystores and signing keys), integrity verification is non-negotiable. uber-apk-signer

Example command with custom keystore:

java -jar uber-apk-signer.jar \
  --apks myapp.apk \
  --ks my-release-key.jks \
  --ksAlias myalias \
  --ksPass keystorepassword \
  --keyPass keypassword

Method 1: GitHub Release

  1. Visit the uber-apk-signer GitHub repository.
  2. Click on the Releases tab.
  3. Select the latest release (e.g., 1.2.1).
  4. Scroll down to the Assets section.
  5. Click on the uber-apk-signer.jar link to download the file.

Basic Usage (The "One-Liner")

If you just want to sign an APK and don't care about a specific private key (using a temporary debug key):

java -jar uber-apk-signer.jar --apks /path/to/your/app.apk

This command will:

  1. Verify the APK.
  2. Align it.
  3. Sign it with a generic debug key.
  4. Create a new file usually named app-aligned-debugSigned.apk.

3. "APK signature verification failed" on device

Solution: 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.

2. "KeyStore tampered with or password incorrect"

Solution: Verify your keystore password and alias. Use keytool -list -keystore your.keystore to list aliases without signing.

Using Your Own Keystore (Production Signing)

For publishing on the Google Play Store or distributing a production app, you must use your own keystore.