Samsung S6 Problem

Good Morning<br> <br> I Currently experiencing Problem with My Samsung S6.<br> Every time I'm Using the phone it keep losing connection the moment i look at the phone is state. not reading sim of only emergence call.<br> <br> I took the phone to vodaword in June they informed me i needed Update .. that they did<br> 2.week later still same problem they then send in to the advance repair center. i came back they said no problem found.<br> 3. Again same problem they said may be sim try gave me new sim try<br> 4.1 week later again same problem Gave the phone to A very Help full consultant Daleen at centurion branch<br> they did update again<br> 5. 1 week later still same problem the nice consultant did everything to help and send the phone again to advance repair center.<br> 6 . this Saturday I got the phone back only started to up date and gain same problem..<br> <br> PLEASE HELP AS THIS IS ONE OF the better phone but I'm not able to use the phone .<br> <br> Again I want to Say Thank for Daleen van scalkwyk for her help..<br> But I really need this phone to be fixed<br> I gave the phone back to her on Saturday<br> <br> I then put the sim in the A5 and no problems <br> <br>