Hello there! It reduces data consumption on images, webpages, videos and audio streams, especially with image-heavy or video apps, such as Instagram, YouTube, Vine, IMDB and Flipboard. Ultra Data Saving mode provides up to 50% savings in data and also frees up to 11% RAM, thereby refining customer's experience on a smartphone. You may check out this link for the procedures; https://www.samsung.com/in/support/mobile-devices/how-to-enable-ultra-data-saving-mode-in-samsung-ga...
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