Flagged folder

Hello OmarDelgadoL,

Welcome to Apple Support Communities. 

We understand that you want to locate your flagged emails. We are happy to help.

These steps may help. Please try these steps here: Filter emails in Mail on iPhone - Apple Support

"Filter emails

1. Tap  in the bottom-left corner of a mailbox list.
2. Tap “Filtered by,” then select or turn on the criteria for emails you want to view.

To turn off all filters, tap . To turn off a specific filter, tap “Filtered by,” then deselect it."

Let us know if you have further questions.

Take care.