This cheat has been on since August and it is still working, when it came out it was Free sms and calls but due to them finding out, they were able to stop the free calls meanwhile texts is still unlimited.. ​It’s easy, just make sure your account balance is empty then dial . *460*1# Now you can send free SMS to any MTN number.
To send another free sms again, dial *460*2# then send you can start sending.
Furthermore, dial *460*3# to send yet another free text message. Just be rotating the codes to continue sending your free text messages.