If you have purchased a new mobile phone from Zong partners Samsung, Vivo, Huawei, Realme or Oppo.
You can avail of 12GB of free internet for 3 months. Insert your SIM in SIM 1 slot and dial *4114#. After sucessfull verification of your mobile IMEI, you will receive 4GB of data for a whole month. Zong provides 4GB of data every 3 months.
Sometimes you dial code and receive the notification ” your IMEI is not eligible for free resource”. The solution to this error is that put your sim in slot 1. Sim should be in slot 1.