Expandable storage Galaxy Tab 4 is the best thing i ever come across especially its storage guys. And it supports storage expandability up to 400GB via microSD card.  

UDS frees my RAM so it helps my phone perform better. Can anyone educate me on how it frees RAM?

There are so many errors that came with J7 Pro Oreo UpdateGalaxy Apps- not openingBattery drainageIn apps menu, whole area is not covered, bottom part is left unused....Can someone tell me about the new features that came with this Oreo Update in J7 ...