Unhappy customer that i used the phone for 4 month

I bought i-phone 4S in March 2014 on contract. On August 2014 i encountered problems with my iPhone where it was showing the message searching and could only work where there's a WiFi connection. I reported the matter at the store and was told to bring the contract with me but explained that there's renovations at home and I've packed some stuff but the two sales consulted insisted that i bring the contract so that they can be able to assist me.<br> After 2 weeks I took the contract as it was requested by the two sales consulted and was told that they actually wanted the receipt not the entire contract and as the receipt has partially faded out they'll have to request the new one from the head office so that they can book my phone in for repairs. I waited for ? 4 weeks, then I called the store for the feedback but the service was too bad over the phone and had to be hard on the manager to get help.<br> After few minutes i received a call from the manager asking me to bring my phone. The phone was booked in for repairs and on the 24 November 2014 I received a text message with the info that my iPhone 4S has been deemed out of warranty and has been quoted for R 4913.65. I used it 4 months