Getting your 1SE into a new device is easy with 1SE Cloud Backup, but here's how to do it if you want to restore from an iCloud backup.
Restoring on a new device
Plug in your phone, connect to Wi-Fi, and grab a coffee. ☕️ Restoring will take some time.
If you're restoring on a new device, follow the onscreen setup steps until you reach the "Apps & Data" screen, then tap "Restore from iCloud Backup."
Sign in to iCloud with your Apple ID.
Agree to the Terms and Conditions.
Choose the most recent backup that has 1SE in it.
Relax and let the restore finish. It'll show a time estimate in a bit.
Restoring on the same device
Plug in your phone, connect to Wi-Fi, and grab a coffee. ☕️ Restoring will take some time.
Go to Settings > General > Transfer or Reset iPhone, then tap “Erase All Content and Settings.”
On the "Apps & Data" screen, tap "Restore from iCloud Backup."
Sign in to iCloud with your Apple ID.
Accept the Terms and Conditions.
Proceed to “Choose Backup,” then choose from a list of available backups in iCloud.
Choose the most recent backup that has 1SE in it.
Relax and let the restore finish. It'll show a time estimate in a bit.