I seemed to have lost my contacts on my iPhone 11

Unlike some Android devices, contacts are neither stored locally on an iPhone nor in SIM. They are synced to an email account that you had Google, iCloud, AOL, Exchange, Outlook, Yahoo or any Other

If Contacts were on iCloud, try this --> Restore contacts, calendars, bookmarks, and more using ...

Else Add the email account that stores your contacts in the IOS mail app and enable Contacts. If you have a corporate email account added through a profile on your device, please check with your organisation's system administrator.

Megum Said:

"I seemed to have lost my contacts on my iPhone 11"

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Troubleshooting a Lost Contact:

Some things to try...

A. Enable Contacts in iCloud Settings:

See If “Contacts” is somehow disabled.

• If it is disabled, then enable it.
• If it is enabled, then disable it and then re-enable it.

B. Retrieve Contacts from Other Devices:

Have a Mac?: Enable Contacts in iCloud on both your iPhone and Mac, and then search through using either device. Using a computer may be more user-friendly when searching through Contacts.

C. Also, Try the Following:

• Restore Contacts, Calendars, Bookmarks, and More Using iCloud.com - Apple Support

• If your iCloud Contacts, Calendars, or Reminders won’t Sync - Apple Support

• Archive the Contacts you Store in iCloud - Apple Support

Check your all account like gmail, icloud and more...