I returned from Australia on 12 September at 16h00. When I landed at OR Tambo, I deactivated SMS roaming, but this was not successfully. Until Sunday I tried many times, unsuccessfully, so my phone is practically useless since I cannot take or make phonecalls!!! I phoned NashuaMobile, my SP, who indicated that MTN has many many network and billing system problems! Clearly the stupid MTN shareholders think MTN rocks, because their shareprice just goes up all the time! When behind the scenes they seem to be truly pathetic to provide a first-world service! MTN when will you fix your problems!!! You are now forcing me to switch to Vodacom! read full review »