Airtel — upgrading to airtel 4g sim | |
I went to the airtel store in ashok nagar, chennai to upgrade the existing 3g sim to a 4 g sim. Once i received the 4g sim i did the necssary to activate it. However my phone shows "no service" inspite of having activated the 4g sim. I am currently using my 3g sim only which is bad since network isnt available most oif the time. The number is [protected] Was this information helpful? | |
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