Hi I purchased my I phone 6s in january 2016 that is when I bought my first ever I phone. since till date I am using my iphone 6s and its so smooth and well energetic battery compared to other phones. but I think I phone shoud jump to ybe 512gb in built space soon. compared to android I personally prefer I phone, you know why? because I am typing this review on my iphone om thos date. and its sooooooo frekin awsome till now. a phone to match all your luxury down to earth. for more reviews stay tuned!