Before you connect your iPhone to your computer to try to fix whatever you’ve erased on your iPhone, DON’T!
Instead, be sure to read Ken’s article first on an important step before that will allow you to restore what you’ve lost through your back up.
Read the article at: Ken’s article.
There are so many good cameras on the market today at amazong prices with lenses and goodies to make one drool, but sadly so few people invest time and money in the skills required to use them properly, In my view a good point and shoot or an entry level DSLR is sufficient for 90% of the people using them, but only a handful really know how to use them properly.