Cell C Sucks Big time

Took a 24 month with cell c February 2014 and 3 months later the device goes in for repairs and they tell me it's the software they then give me a refurbished devise which has to go in for repairs again 2 months later, they then tell me the battery is finished I must replace it, I refuse and they give me a battery which gives me he exact same problems. I then take it in for repairs again April 2015 To the repair centre in Tygervalley centre with 10 months left in the contract they tell me they cannot repair the device because it's guarantee has expired. What a load of bull, how the **** must I pay another 10 months for a faulty device what ****ing **** service? I will not pay another cent I don't give a **** what they do.STAY AWAY FROM CELL C THEY ARE *****S!!!