Yes , I am using this phone. At first I used MTS for data pack then switched to Tata DOCOMO CDMA. I got a recharge of Rs. 48/- for 1.5 gb 21 days' data pack. for a day surprisingly saw that data usage is being charged by the operator. On contacting cus care got to know that my data connection came through MTS network that's why it is charge. The 1X data connection icon disappeared soon and the data access is not available by making different type of attaempts like changing settings, removing other network settings ets. Visited their true value shop, Durgapur. From their creen it was seen that the data is showing on MTS. They also failed to restore data connection. The set is showing MTS and BSNL on the fore screen though SIM is Tata CDMA and BSNL. Is there any solution from any Body? Can anyone help me out? Is there any way to upgrade android version?