I wonder if it is location specific because I live in a 3g area and I am often in a weak 3g area but I rarely ever have drops. It is always a surprise when I do. There is one very specific area that I pretty much know I am going to lose my data signal. Other than that one area, I am always good to go. On GB, I had to keep it on 3g only mode to maintain a good signal and not drain battery but since ICS, I never put it on 3g only and actually have better data connection.
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