Having numerous duplicate contacts in your mobile phone's address book can make searching and calling inconvenient, sometimes even irritating. So, is there a way to merge duplicate contacts on iPhone? Of course, the answer is Yes, and the following article will help you tackle this issue. Let's dive in!

Simple Guide to Merge Duplicate Contacts on iPhone
Manually Remove Duplicate Contacts
A simple yet time-consuming method is to manually search and delete each duplicate contact in the address book. You can open the phone's address book and scroll through alphabetically to delete duplicate contacts.

Delete Duplicate Contacts on iPhone
Use iCloud to Remove Duplicate Contacts on iPhone
Step 1: Access the iCloud website and log in to your account.
Step 2: Choose the phonebook icon.

How to Delete Duplicate Contacts Using iCloud
Step 3: Access Settings => Select all. Go to Settings > Choose Export vCard to export all phone numbers as VCF files.

Select to display all contacts on your iPhone
Step 4: Next, select Export vCard (to export all contacts as VCF files).
Step 5: On the iCloud interface on your computer, manually delete duplicate phone numbers.

Delete Multiple Duplicate Contacts on iPhone Using iCloud
Step 6: Press Edit to delete or edit the contact information you want.
Find and Merge Duplicate Contacts on iPhone
Methods like manual deletion or using third-party apps not only consume time but also adversely affect the phone. Therefore, Apple has integrated in iOS 16 - default on iPhone 14 128GB purple and later models, the ability to find duplicate contacts in the address book and merge them.
Step 1: Simply open the phone's address book, and if duplicates are detected, the phone will display a notification on the screen for you.

Show Duplicate Contacts on iPhone
Step 2: Next, you press the View Duplicates button or scroll down to the bottom and tap the X icon to display duplicate contacts.
Step 3: On the screen, duplicate items based on name or surname will appear. Press Merge to combine the contacts into one. If your address book has many duplicate phone numbers, press Merge All to merge all duplicate contacts together.

Perform Merge Duplicate Contacts on iPhone
How to Stop iPhone from Showing Duplicate Contacts
Having multiple duplicate contacts on your phone is often caused by enabling synchronization on apps like email, Zalo, etc. Therefore, a way to prevent your iPhone's address book from being scrambled is by disabling the sync contacts option on social media accounts.
To do this, go to Settings => Contacts => Select Accounts (turn off the account you want to stop syncing contacts by sliding the toggle switch to the right).

How to Prevent iPhone from Having Duplicate Contacts
The instructions on deleting and merging duplicate contacts on iPhone in the article will help you resolve the issue of duplicate contacts on your phone. Hopefully, it can be useful to you!