Hello, I am looking for a new device to replace my kind-of broken Galaxy Note PRO 12.2 (GNP). Here are some info: - I use GNP as a phone - I use GNP as a large device for reading on the trains. Due to poor eye sights, I need to remove my glass and put the device close (within 10cm distance) if I use small devices like Note 2 - I do pdf annottions - I often use S-pen to write down notes. Sometimes with the press of a button on the S-pen, I do screen capture. - I like to take photos and videos. Good battery life is desirable - I have a rMBP 15" for work. Together with my GNP and other stuffs, I feel my bag is heavy. Need to get lighter devics. - As I am on the train for about an hour each day and not many places in my neighborhood has free wifi access, LTE is desirable. Based on the above, which device do you recommend? I don't list Surface Book because as a tablet, the battery only lasts for 2-3 hours. There are days that I don't need to use a laptop. So, a tablet that has good battery life is good. I hope to get a device that could do as many things as possible as I don't want to carry a Note 5 which I have not bought, rMBP 15" and a tablet. Xperia Z4 seems to be good because: 389g, 10.1", running Android = has a file management system. However, there is no stylus support. As for Ipad PRO, it has a pen and LTE but no good file management system. Surface PRO 4 is good but it has no LTE nor phone function. (I prefer a device which I can use to make/receive phone calls using traditional phone card rather than relying on wifi which is not available everywhere.) Thank you.