Software⏱️ 2 min read📅 2026-05-31

How to Fix: Manifest merger failed : uses-sdk:minSdkVersion 14

Manifest merger failed due to incompatible SDK versions.

Quick Answer: Update the project's build.gradle file to use a compatible minSdkVersion.

The error message 'Manifest merger failed : uses-sdk:minSdkVersion 14 cannot be smaller than version L declared in library com.android.support:support-v4:21.0.0-rc1' indicates that there is a conflict between the target SDK version and the minimum SDK version required by your app's libraries.

💡 Why You Are Getting This Error

  • When you upgrade to a newer version of Android Studio, the default SDK version changes.

🚀 How to Resolve This Issue

Method 1: Update the Target SDK Version

  1. Step 1: Open your project's build.gradle file and navigate to the 'android' section.

Method 2: Use a Lower SDK Version

  1. Step 1: In the 'android' section of your build.gradle file, update the 'targetSdkVersion' to a version that is compatible with your app's libraries.

💡 Conclusion

By following these steps, you should be able to resolve the 'Manifest merger failed' error and successfully build your Android project.

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