First you dial * 247 # then from the new menu there is a Buy Airtime option, write it in the number and send it , then enter with the number according to the option of the SIM to be recharged . Then enter your Mobile Number , then you have to write how much money you will recharge, that is, the amount of Amount , then enter your development Pin number and confirm . After the work is done, the recharge money will come to your mobile shortly. Thanks ...