iPhone data recovery

Try to restore it your iCloud backup.

When you are signed in to iCloud on your iPhone, unless you have deliberately disable it, your iPhone makes a backup to iCloud when the device is connected to WiFi and power.

Restore or set up your device from an iCloud backup

https://support.apple.com/en-ie/guide/icloud/mm7e756df7fd/icloud

Unless you backedup the phone to your computer or some other device, all your data is gone for good.