How do I get back all my old date after a factory reset to my iPhone 12?

"RETREIVING PREVIOUS DATA: How do I get back all my old date after a factory reset to my iphone12?"

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Finding Lost Data:

If you cannot upload data, then it is gone, if not backed up. So, look in a place would would have backed it up. Elsewise, it is gone. For example, here is how you would troubleshoot Photos and Videos:

Locating Lost Photos and Videos:

I. Enable Photos and Contacts in iCloud:

On the iPhones, enable Contacts in iCloud.

On the iPhone:

1. Go to: Settings
2. Tap: Your Name (Top Item)
3. Tap: iCloud
4. Tap: Photos (so that it is green)
5. Tap: Contacts (so that it is green)

II. Troubleshooting Deleted Photos:

Three Things to Try:

A. Start here: If you're Missing Photos or Videos in the Photos App - Apple Support

B. Check iCloud, Directly:

Go here, and see if they reside in iCloud: https://www.icloud.com/photos

C. Where Else to Check:

1. PC
2. PDA
3. eMail
4. Mac Device
5. Cloud Storage
6. Android Phone
7. USB Flash Drive
8. External Hard drive
9. Secure Digital Card
10. Compact Flash Card