Default Mobile data not working


I stay in India and have just bought the unlocked version of S3 (SCH-i535).

All is well with the phone but Mobile data is not working for me.

When ever i try to switch the Mobile data on i get the following messgae "Insert SIM card to access network services"

I have not rooted the phone yet and its on pure stock 4.1.2.

Plz help!!


Sent from my GT-I9300 using xda app-developers app
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Samsung Galaxy S III (I9300) Running....

OS: [ROM] [4.4.2] [Stock] [Sammy] [N7100 Port] ArchiPort | Finished
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