Refusing to repair my Screen

I took my phone to Samsung on 18/08/2015as my screen is damaged and they completed a job card as i informed them that my phone is still under warranty. they then forwarded the phone to cell clinic for repairs and now i received a quotation for R2130.00 stating that my warranty expired whislt my contract only ended 31/08/2015. i never claimed for any repairs during my warranty and now they refuse point blank without even trying to assist me. the job card states: Nb Please be very clear on completing a job card to avoid miscomunication. the waranty part on the job card was ticked and now they tell me the warranty expired and therefore if i refuse the quote i need to pay R250.00.<br> This is not fair towards clients as sumsung should immediately check for warranty and inform their clients before sending it off to realise the warranty expired.<br> According to cell clinic my warranty expired 01/08/2015 as they only received the phone 21/08/2015.<br> Can Sumsung please support with this matter as i never claimed through out my warranty and this is my first incident and now im being told to pay for repairs.<br> Please dont blame the staff at Samsung mall of the north, its your Processes thats faulty