Everything in the phone is okay, only the upper side volume button does not work, it seems to have sunk in, that is why it does not work. You can increase and decrease the volume by pressing the lower button. Apart from that, everything on the phone is original.
I will provide whatever you need for security, along with an NID card.
RAM is 8+8, ROM is 128.
Location is Gazipur Chowrasta.