Recently Manga rock has been removed from the Google Play Store. And the dev have released newer DEFINITIVE VERSION. So any one who want to use this newer version without loosing the old version downloaded data, here is simple steps to do so.
Remember Root required.
1. Take the backup in the version 1.9.7, you will required and account.
2. Install DEFINITIVE VERSION and login with the above account and do the restore.
3. Once you have restored, open root explorer or any file manager with root access.
4. Move the content of "com.notabasement.mangarock.android.titan" to "com.notabasement.mangarock.android.lotus". You will have to move from 4 folders. Refer the image attached.
5. After moving open new version and verify you are able to view / read older content.
enjoj...
If you want delete older content and older version of app.
Remember Root required.
1. Take the backup in the version 1.9.7, you will required and account.
2. Install DEFINITIVE VERSION and login with the above account and do the restore.
3. Once you have restored, open root explorer or any file manager with root access.
4. Move the content of "com.notabasement.mangarock.android.titan" to "com.notabasement.mangarock.android.lotus". You will have to move from 4 folders. Refer the image attached.
5. After moving open new version and verify you are able to view / read older content.
enjoj...
If you want delete older content and older version of app.