I had purchased my Blackberry Gemini 8520 from a mobile store in Chennai and only after purchase I knew it was a officially unlocked device and not a usual Airtel Blackberry, I was upset at first as I have nearly 3 years of experience with Blackberry service at Airtel and its just awesome they do it so professionally. I used a Rs.999 (approx. USD $20) worth cover for the phone from case mate, after a month and few days the display brightness diminished to very low level and I had taken it to the Redington India Ltd. service center in T.Nagar... read full review »