Wish online shopping They would not honor my request for a return authorization number nor exchange the cell phone I purchase that I can't get service for. San Fransisco 40th floor

I purchased an XGODY 7.0 Ultra Thin Android Smartphone cell phone on September 24, 2018.   It arrived on October 24, 2018.   There were no invoices nor return voucher in the box.  I reached out to my carrier to see if  I would be able to obtain service and was told "No". 

 I have called and emailed this company since October  of 2018, and have gotten nothing but a run around.   I know I've reached out to a dozen representatives since then and still reaching out to no avail.   I believe I've been scammed. 

 I paid $142.00 including shipping for this phone.   Their customer service department leaves much to be desired.   Also when I call, I can never speak to anyone.   There's always a voice mail.   This company states in their return policy "They Have Your Back"....Not