Hello to you all. I need some advice and maybe some input from longtime owners of iPad Air 2. I received mine yesterday after 6 days wait. I have read tons of reviews and seen zillions of videos before. This is my first ever Apple mobile device. I have a 27 iMac and phone and tablet are Android. Gee this baby is fast. Faster than I thought actually. But some little things makes me scratch my head....First, there's a tiny greyish-to-white band like a color gradient running from top to bottom left side of the screen. Have read it's not so uncommon. Is it a case of returning-replacing? Second, I find the colors to be quite muted compared to say my old Tab 3 or even my HTC-One-S. Actually, I'm most worried with the greyish gradient. Should I do something before the 14 days return policy? Or is it much acceptable and Im being fussy? Thanks for your hints.