📌 Step-by-Step Methodology for Fixing Android App Upload Issues

This guide explains how to solve common Android App Bundle upload errors such as wrong signing key and version code conflicts.

🔴 1. Fixing Signing Key Error

If you see an error like:

Your App Bundle is signed with the wrong key

Solution:

  • Use the original keystore (.jks) file used during first upload
  • Ensure correct store password and key password
  • If lost, request Upload Key Reset from Google Play Console

🔴 2. Fixing Version Code Error

If you see:

Version code has already been used

Solution:

  • Open build.gradle (Module: app)
  • Increase versionCode from previous value
versionCode = 4
versionName = "1.3"
  • Sync project
  • Rebuild signed App Bundle (AAB)

🟢 3. Build and Upload Process

  1. Click Sync Project
  2. Go to Build → Generate Signed Bundle / APK
  3. Select Android App Bundle (AAB)
  4. Choose correct keystore
  5. Build release version
  6. Upload to Google Play Console

✔️ Final Checklist

  • Correct signing key used
  • Version code increased
  • Release AAB generated
  • No Play Console errors

🚀 Conclusion: Following these steps ensures smooth Play Store submission without signing or version conflicts.

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