Lately, I want to buy iPhone 4g and I confirmed that this phone has a signal issue. So I decided to switch into iPhone 3g. I recently bought my iPhone 3g and have familiarize with the features of iPhone 4g.
There are lots of ways to consider to preserve the life of your cellphones. Precautionary measures like proper casing and protector gears should be used. Don't over charge the phone to prolong the life of the battery.