SAMSUNG S 6 Edge

I have had the Galaxy S2,S4,S5,S6 Edge as well as a 10.1 Tablets.I pre-ordered the new Samsung Galaxy S6 Edge and was able to upgrade in Jan 2015,but waited until 10 April for the device and was so proud and excited when I received the device but this joy was short lived.A few days after receiving my device I had the following frustrations:Phone calls cutting off consistently / Device being off and people unable to reach me due to bad reception / Browsing the internet on the phone A NIGHTMARE.I went into the Voda Forest Hill more than once and every time people tampered with the setting as apparently \LTE"is not supported in SA and my network settings was changed.This did not solve the problem so they suggested I go to the Voda Cust Repair shop in Menlyn to see if they can assist me.ONCE AGAIN tampered with the setting only"