I just found this on my forum and i just tested it out and I was credited with free 10MB bundle for 7 days. These are the steps
To get airtel free 10mb just dail *141*13*1# and u will receive an instant messege of
10mb.
To check your plan dail *141*712*0#
Make sure you don’t have airtime before you try it.
Gux d tin non work oo dem say I don fest don an b4
It works. It’s what i’m using now to post.
i luv u ,,…
Need aitel free browsing
it will give u 1mb