I have been using zong prepaid for some time then I started using internet apps on my mobile i.e. google earth so I went to zong office to activate postpaid service with flat rate internet charges. There CSR (Aqib Shahzad) said that I should use flat rate package on my prepaid package saying that it will cost me same. This in fact would have cost me twice. I spend more than 10 minutes explaining him the same. However when after activation, I enabled internet on my phone, next day all my deposit vanished and they told me that flat rate... read full review »