Dissatisfied customer.

I have an unresolved 3 month pending case with Samsung ********** I took my phone to the above store to get repaired. The problem that had been dormant on the device the problem was fixed after a month of it having gone to repaires. When I get the device some parts of the device were still malfunctioning, I took the phone back the next day which was taken for a further week. When I received the device after having waited a long time for repaires to be concluded. I then returned to go collect my phone around knock of time I witness a stretch on the inner part of the screen. I let them know about but which my phone was taken and had said it was a marking pen. The phone returns, the scratch is closed off by tipex. This comes after I the customer going back and forth the store, calling them. I was then told to wait a for a new screen of which they would call me upon receiving stock. That never happened! I received a call from Samsung South Africa Two weeks from then thinking my problem would be resolved. 3 months pass and till last week I go to Samsung Mall@carnival to do a follow up on this incident. I'm told by the manager at the store that the staff that once worked had changed and it was on my ownus to call and do a follow up on getting a new screen. I was further told that since its now passed the time frame they would charge me to for the problem that was created by the staff at the above mentioned store. My phone now has several mulfunction problem and no one at the store is willing to help resolve. I was referred to another "repair" guy who was supposed to call me 3 days ago and still, I've not received the phone call. I don't kmow what must happen for me to get my phone repaired by the staff for had they serviced and repaired my phone accordingly I'd have not received so many problems on my device. This is very unacceptable especially while during the process they broke the some of the hinges on the back cover of the device.