Airtel free 500mb ( 100% real )

Hi guys I am always here to shear you latest stuffs about  free cheats this cheat valid for 30days...

How to get  free 500mb into your sim
                   Format => sms
No all you have to  do is to send an SMS containing Join to 141
And  you will receive a reply by air tel I'm this format bellow

Congratulations, you have activated the SMART SIM Offer.  You have been given FREE 500MB FREE Data Plan valid for 30 days

To check your mb dial *123*133#
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