The backup is in a SQLite database format which is not directly accessible. How to add unsynced contacts back into iCloud Contacts are included with your iPhone's backup along with a significant amount of other data, which is updated by iTunes as the first step during the iTunes sync process. Then, add them to your iCloud Contacts list. You will see a list of contacts that are synced directly to your iPhone. Tap Done in the upper right corner of the screen. Then, when iCloud backs up your iPhone again, those contacts will be added and saved. You can find them and manually add them to your Contacts app.
If you've changed your default account settings for the Contacts app to iCloud, you may notice that some contacts that were stored on your iPhone are now missing. How to see if any contacts are not synced in iCloud Contacts can be imported from the SIM, but not saved to the SIM. This can be iCloud if activated and selected. New contacts are stored on the internal storage of the device, and then synchronised with the account selected here.
Launch the Settings app on your iPhone. Subsequently, Where are contacts stored on iPhone iPhone stores contacts in the location set by Settings Contacts Default Account.VPN Deals: Lifetime license for $16, monthly plans at $1 & more
