Airtel today on Diwali offering 500 MB data free if you update your contact details. Valid for prepaid and retail postpaid customers.
How to avail this offer:
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Click here to go to Airtel.in
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Connect your mobile to internet using Airtel.
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Under “your account summary” click “add alternate contact detail”
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To check 3G Data Balance Dial: *123*11#
To be noted : Offer valid for airtel dongle users only.
