**rm android/app/src/main/assets/index.android.bundle

react-native bundle –platform android –dev false –entry-file index.js –bundle-output android/app/src/main/assets/index.android.bundle –assets-dest android/app/src/main/res
cd android

./gradlew clean && ./gradlew assembleDebug

./gradlew clean && ./gradlew assembleRelease**

I just share for me and anyone