Step 1. Go to APKQuick.com and download Avengers theme APK of your choice:
Step 2. Go to Android Boot Animation and download a QMG boot animation of your choice.
Step 3. Once those have been downloaded, install and run Root Browser from Play Store (free app).
Step 4. Tap on the theme APK file you downloaded earlier and install it. You may have to check “Unknown Sources” ON in Settings.
Step 5. Browse to “/data/overlays” directory and delete the “preferences” folder.
Step 6. Next browse to “/data/overlays/jsonfiles/trialjson” and MOVE over the theme file to ” /data/overlays/jsonfiles/userjson”.
Step 7. Reboot and you should now be able to use the new theme.
Step 8. Go back to Root Browser and do a long-press on the boot animation zip file you downloaded and extract.
You should see a new folder that contains your new boot animation and shut down animation.
Step 9. Browse to “/system/media” directory and erase bootsamsung.qmg, bootsamsungloop.qmg, and shutdown.qmg files.
Step 10. Copy the new boot animation files bootsamsung.qmg, bootsamsungloop.qmg, and shutdown.qmg to “/system/media” directory.
Step 11. Change the permissions of each copied QMG file to have RW/R/R like shown below:
Step 12. Reboot and you will see the new shutdown animation.
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