Hi how can I find my older data

If you were syncing with iCloud, have you gone to iCloud.com using a computer browser to see if the data is there?

Find My Phone - If your device is lost or stolen. https://support.apple.com/en-us/HT201472

Find My Phone - Lock and track your device using Lost Mode. https://support.apple.com/guide/icloud/use-lost-mode-mmfc0f0165/icloud