BAD SERVICE

I have taken out a contract with MRP Mobile and received the phone on the 13th of April 2018, I was busy installing the phone over the weekend and everytime I get a message about Xscreen not responding. I phone on the 16th of April and they promised they will collect within 3-5 Days. On the 19th I phoned to query about the collection date and time and they couldnt answer me with a very bad attitude. I ask to speak to a supervisor - which I got a reply that he/she is busy on the phone, will phone back. I phoned later the same day and still got the same message. I phoned the 20th as well and still no phoning back or helping me. The warehouse phoned me on the 24th of April 2018 to confirm the address of collection and said they will collect on the 25th of April. Well they never pitch only the 26th of April. And yesterday they deducted money from my account for connection fee - I HAVEN'T EVEN USED THE SIM CARD EVERYTHING WAS SEND BACK.