Built-in Android reset
You may also have an option to erase data on the SD card. If you're planning to return or recycle the phone, you will definitely want to take that action.
Jack Wallen is an award-winning writer for TechRepublic and Linux.com. He’s an avid promoter of open source and the voice of The Android Expert. For more news about Jack Wallen, visit his website jackwallen.com.