Vodacom are useless!!!

Good day,<br> <br> Fed up with Vodacom repair center. In November 2014 I gave in my Samsung S5 to repair its cracked screen under the Samsung Warranty. Vodacom repaired it hassle free. Got the phone back 3 days later the screen was becoming loose starting to fall out. Took it back to Vodacom repair center, they said wait they took the phone to the back, 5 min later they back saying all fixed now. It was not even 3 days the screen loose again. Took the phone back to them in January 2015 asking them at Vodacom repair center please fix my phone properly I don't have time to come and stand every time in a line to get my screen fixed. At first the just wanted to take my phone again at the back. I said NO please book it in and fixed it properly don't want to come back. Phone booked in there for 2 days. Get phone back 3 days later same problem screen coming loose.<br> Don't want to go back to the repair center, don't think the people the is competent to fix my phone. Want vodacom to contact me and tell me how we will solve this problem.<br>