I'm not generally one to gush about electronics, but this is a gorgeous phone with a giant screen and a lot of power, speed, and space--32 GBs included and the ability to add a microSD card for more. The storage space means you can carry around a lot of whatever you want, which for me is downloaded books and audiobooks. The size of the screen makes web surfing comfortable even on sites that don't adjust for mobile devices, and the resolution is crisp and sharp. It has the best phone camera I've encountered and it moves between functions quickly without a lot of loading time or lag. The back is slightly curved, which makes the phone comfortable to hold in spite of its size, though it is of course heavier than a smaller smart phone. I haven't used Sprint before so I don't know if this is typical, but there is less bloatware than I've encountered when using Verizon and T-Mobile.
The phone only comes with a fairly scanty quickstart sheet, but I found a pdf manual online that helped me get started.