The custom recovery in this guide should be compatible for the Neo Plus and the original Neo device.
Download the Odin flashing tool for the Grand Neo Plus from this page.Download the CWM Recovery for the Grand Neo Plus device from this page.These are the guidelines to flash a custom recovery on the Samsung Galaxy Grand Neo Plus device: Couple that with the NANDroid Manager application from the Google Play Store that is available for rooted users and you have yourself the ultimate backing up experience that will make saving and restoring a breeze. But nothing comes close to the backup power of the NANDroid feature coming directly from the custom recovery main menu. The Titanium Backup application is great for those who want to back up and remove stock apps acting as nothing more than bloatware. You need a custom recovery on the Samsung Galaxy Grand Neo Plus if you are to start taking complete backups.