Device dispute *****ulent online order

Hi. Call refrence 3GRLT8K to MTN rewardsco Please note that i do not want to do business with MTN anymore basically they work hand in hand with Rewardsco this 3rd party company has odered a phone device for me online without my knowledge oder refrence *** i am going to open a fruafulent casr agianst MTN as no one is interested in assisting me