How to erase iPhone 11
how do i erase my old iphone? Its an iPhone 11
Question marked as
This article tells you how to erase it How to factory reset your iPhone, iPad, or iPod touch - Apple Support
If you no longer have the device, read this article Erase a device in Find Devices on iCloud.com - Apple Support
If you are asking this in the broader context of disposing of the device, read What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support
