how to convert airtime to mpesa using ussd code
Here are the USSD to convert or change airtime to mpesa instantly:
1. Dial *702*55# OR *658*58#
2. Select no 2 - convert airtime to mpesa
3. Select convert safaricom airtime to mpesa
4. Enter amount to convert and proceed
5. You will receive sambaza code through SMS
6. Forward sambaza codes to 140 and wait for mpesa message