Hi, pls I'm interested in buying this phone but I need u to answer the following questions; 1. is this phone having 'USB On The Go' support? and what is the USB slot? (micro or mini USB) 2. how long it takes to deliver this to Nigeria via DHL? 3. has the 'SAMSUNG' marked on s-pen? 4. Does it have the S-beam facility like the original NoteII. 5. Can you help me updated the OS to the latest adroid os bεfọ̥re sending it? thanks in advance! Pls reply me through my email asap. reply:have usb on go support.3-4days by DHL,have samsung logo on spen,have s-beam,this phone with latest Android 11.0 firmware....