Selling my 3GS - How do I erase all my info?

Machog

Member
Bronze
Sep 29, 2009
38
0
6
#1
Very dumb question, how to I make sure I have totally cleaned off all my personal information from my iPhone 3GS?

Also want to make sure I don't erase any info from iTunes when my new 4S arrives later this week-its already been shipped yeaha, can't wait.

Tx Machog