Assurant Damaged Device Returned - Not Recived

HI, 

The same exact im dealing with right now this is the first time i ever insurance my phone i been with t mobile and pay 289 ever month for 2 line i sent the phone back and they are saying they got the box but no device which is scam i have proof of me going into ups store with tracking number and they packed my phone and sent it out but when ware house got it they are saying no device was in there they sent me to ups  store because they work wit ups to deliver all device to there ware house if i had known that they were not gonna be responsible for lost device i would of went into a t mobile store and i wen to ups store to show proof of me coming in that day on camera giving them the device and them sealing and i paid 10 dollars for them to bubble pack the device and send it to the exact mailing address t mobile customer service sent me in email i had to confirm address and all and it matched up… thinking phone was there but came to find out customer rep saying they got box with no device but box sayings weigh is about 2lbs or more i feel like t mobile is scamming me just to pay for something that i pay insurance ever month for and this is the first time i ever did insurance my phone… they are not trying to work with me to make payment paln they said for me to turn my phone back on i need to make a payment of 1300 they are crazy i told them i want my # and im going to a diffrent carrier they wont give me my number im in the process of getting a lawyer to help me fight this