Unity Android Multidex Build Failed

Debug Unity Android multidex and method limit Gradle failures.

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Fast checklist

1. Check if the error mentions 64K methods or multidex.
2. Review large SDKs like Firebase, ads, analytics, and social plugins.
3. Remove unused Android plugins.
4. Check Gradle configuration for multidex support.
5. Build clean after dependency changes.

Related

• Unity Android Build Doctor Lite
• Unity Gradle Build Failed
• Unity Android Duplicate Class Error
• All Unity Android build-error pages