Replacement

Jazzmn010 Said:

"Replacement: How can I tell if my iPhone 12pro Max has been either repaired or if it is a new one?"

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Finding its Authenticity:

There is no way to determine if it has been repaired or not, but to check its authenticity, you may look it up by the Serial Number:

First, Find the Serial Number:

1. Tap: Settings
2. Tap: General
3. Tap: About
4. View: Fourth Line-Down

Then, Enter the Serial Number here: Check Your Service and Support Coverage - Apple Support. See it is comes up as an official iPhone.