Mtn
Very bad

Everytime i call into the call center and ask for my call log as my sim is always removed from my phone and the contacts and call log is removed then they tell me they cant give me that information i am now really tird with this ish why arnt ur'll like the other networks that ask my id number or name and surname cause dur i did rica this sim card i work in customer service and i never tell my customers ish cause i dont want to lose customers