my mobile is samsung gt-s7262 galaxy star pro but speed is 2g and how can i change the speed to 3g

balamurugan9344

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Sep 29, 2017
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My mobile is samsung gt-s7262 galaxy star pro and am using the Airtel sim its 3g speed but my speed is only 2g
how can i change my 2g speed to 3g speed
 

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