Can you lock your pictures and text messeges on the samsung gravity 2?

I really want this phone but what is the difference between the samsung gravity and the samsung gravity 2?Can you lock your pictures and text messeges on the samsung gravity 2?gravity 2 has 2 megapixel camera while gravity has 1.3. Gravity 2 has a 4 row keyboard and gravity is 3 rows. I know that you can lock text messages on the 1st one but im not sure about the 2nd oneCan you lock your pictures and text messeges on the samsung gravity 2?I agree with the last answer and yes you can lock them on the Gravity 2

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