Last week I moved from Vodafone to Airtel and I had Z10 which I could upgrade to 10.2 with Vodafone. But Z10 was having some issues so I exchanged old Z10 with new one but I am not able to upgrade it to 10.2 with Airtel. Is there any problem with my device or is it with service provider???
Please help..i loved 10.2!!!!
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