Unity Firebase Android Duplicate Class Error

Fix Unity Firebase duplicate class Android build errors caused by dependency conflicts.

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Fast checklist

1. Check Firebase Unity SDK version.
2. Run External Dependency Manager resolution if installed.
3. Remove old Firebase or Play Services plugin folders.
4. Look for duplicate AAR/JAR files.

Related

• Unity Android Build Doctor Lite
• Unity Gradle Build Failed
• Unity Android Duplicate Class Error
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