Appalling Customer service

In 2015 I took out a contract with vodacom&received a Sony M4 aqua.In 2016&2017 the phone start ed giving me issues.On the 9 Jan 2017 I took the phone to Vodafone Repairs Eastgate Job no: ********** 7-907465. The phone with imei no ********** ********** 7 could not be repaired so they gave me a new phone.

Now the exchange phone is giving me issues as well. I went to The Glen and explained to the technician the issue.He advised me to go to Alberton or Eastgate. I also asked him if the phone was still under warranty, he said yes because this phone is an exchange which is practically new and has a 2 year warranty. The warranty on the old one expired with that phone.

On the 17th February I went to Alberton Vodacom Repairs to book in my phone. To my surprise I was told that my phone is not under warranty.

How can it not be under warranty when I only received it 2017?every phone carries a 2 year warranty.

Now that my phone needs to be repaired I am being told stories.