I don't understand smartphones. I just carry a tablet in backpack, and still use my 10 years old dumbphone for calls and smses. I had company iphone 4 and it wa

I don't understand smartphones. I just carry a tablet in backpack, and still use my 10 years old dumbphone for calls and smses. I had company iphone 4 and it was worse phone and worse tablet, and was probably more expansive.