Terrible service

This is my third time writing on hellopeter. I took a new contract with glocell more than a month ago. I was sent the wrong device. I am still waiting to hear from a 'Senior manager'. I have had one call from someone named Lucille and she asked me what the problem was. She said she would call me back. 2 weeks later I am still waiting. The only time I get any response from them is when I complain here. So here goes...