HOT: How to Make Free Calls From Airtel Sim

Hello guys, today we are going to look at How to Make Free Calls from Airtel Sim without charging you at no cost, after knowing this cheat I bet you, you will use it every day to call your friends and Family.
If you’re planning to call for free on airtel, this trick work for both Android Device, Smartphone and Mobile Phone.
Requirement
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Insert your sim to your phone, then go to Dialer, then dial ** following with the number you want to call, give it a minute it will call the person, so when the person want to pick it, it cut , then the person calls back. For example, I want to call this number 08022**6655, so I will put **08022**6655. This rick work for people who don't have call card
Wrapping Up: Hope you enjoyed this Trick for calling people free with your Airtel sim, Note, it dosent work for the other network but for Airtel only, Don’t forget to comment, share with your friends and Family on How to Make Free Calls from Airtel Sim.