rn-fetch-blob/src/android/src/main/AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.RNFetchBlob">

    <application
        android:allowBackup="true"
        android:label="@string/app_name"
        android:supportsRtl="true">

    </application>

</manifest>