(3+4/64) Phone can be exchanged, but it must be an upgraded phone compared to mine and must be fully fresh. There are no problems with my phone. The display has been changed, an original display was installed from the market, I have been using it for six months after changing the display. You can check as much as you want. The phone's original charger, box, and everything will be provided, whatever you want for security purposes will be given.