cupral

This worked for me (root required): https://forum.xda-developers.com/android/help/delete-disable-downgrade-prevent-update-t3091832

This worked for me (root required): https://forum.xda-developers.com/android/help/delete-disable-downgrade-prevent-update-t3091832

This worked for me (root required): https://forum.xda-developers.com/android/help/delete-disable-downgrade-prevent-update-t3091832

I tried installing the Vitamio Plugin ARM7+NEON But no luck

Titanium backup worked for me (root required)