how do I erase everything on my ihpone

Open Settings ➔ General ➔ Reset ➔ Erase All Contents & Settings. This will give you exactly what you want.

Axel F.

BabyKath Said:

"How do I erase everything on my iPhone, reset?"

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Looking to Rid of it?:

If you are looking in to ridding of your iPhone, then perform as instructed in the above link.