How to factory reset iPhone 14 Pro for trade-in?

Try to do as instructed in What to do before you sell, give away, or trade in your iPhone or iPad - Apple Support

To get more information about the Apple Trade In service and requirements, click on the link --> Apple Trade In - Apple

- Don't miss the FAQ at the very bottom.

The answer has been given twice, read the previous posts by Niel and Limnos.

Click here and follow the instructions. If you encounter a specific issue, describe it in this thread.

(262445)

How remove the safe filter and Resat the all settings

Re:”How remove the safe filter”

What “safe filter”? As for how to prepare the phone for trade-in, the answer has already been given, twice.