Why my Rog 5s cant detect any sim card?

My phone always ask for a sim card even if its in. The port is clean ans i did a factory reset. Also i did change the sim card in case it was a defects. Sim card work well on my old phone. I don't know where to go ,they all tell me "we can't get Rog phone replacement parts". I live in Quebec Canada. Can you help please?