How can I erase my iPhone 12 Pro Max with out a computer

IBONER89 Said:

"How can I erase my iPhone 12 Pro Max with out a computer: I’m trying to erase my iPhone I bought off market place but can’t get it"

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Erasing an iPhone without a Computer:

You'd need to reset it. Perform as instructed here, including the iCloud logout: How to Factory Reset your iPhone, iPad, or iPod touch - Apple Support

Note:

1. Go here: Restore your iPhone, iPad, or iPod to Factory Settings - Apple Support
2. Scroll to: If you can't access a computer
3. As it Reads: "If you can't access a computer and your device still works, you can erase and restore your device without a computer."