How to eliminate double contacts on Xiaomi Redmi 9: the complete guide

Duplicate contacts on Xiaomi Redmi 9 — common problem that arises due to the nature of the work MIUI You open the phone book, and instead of a neat list, you see the same names. 2-3 This is made worse by using multiple Google accounts, Mi Accounts, or third-party messaging apps like WhatsApp and Telegram. In this article, we will analyze all possible causes of dentition and offer proven ways to eliminate them - from automatic tools to manual cleaning.

Many users mistakenly believe that duplicates only occur due to firmware failures, but in fact, faulty sync settings, conflicts between accounts, or even errors in exported.vcf files are to blame. For example, if you once transferred contacts from an old phone through Mi Mover or restored a backup, the system could create copies instead of updating existing records.

Before you start cleaning, make sure the problem isn't a temporary failure. Restart Redmi 9 and check if there are any duplicates left. If so, start diagnosing.

1. Causes of double contacts on Xiaomi Redmi 9

Duplicates in the phone book rarely appear on their own, most often the result of a combination of several factors related to work. MIUI And synchronization services. These are the main reasons:

• 🔄 Account Conflict: Simultaneous sync with Google, Mi Account and SIM-The card creates copies of the same contacts in different sources.
• 📱 Transfer data from an old phone: When using Mi Mover, Smart Switch or manual export/import.vcf files can be duplicated.
• 🔄 Update MIUI: After major updates (for example, with the MIUI 12 on MIUI 14) sometimes the links to the accounts are lost.
• 📊 Backup errors: If you were recovering contacts from a backup made on another device, older versions of records could have been saved.
• 🤖 Third-party apps: Messengers (WhatsApp, Viber) and social networks (Facebook, VK) Sometimes they create copies of their contacts.

This is especially true if you are using:

1. Sync with Google Contacts,
2. Local storage on the phone,
3. Contacts to SIM-map,
4. Xiaomi account (Mi Account)

In this case, the system cannot determine which version of the contact is considered the main one, and displays all available ones.

⚠️ Note: If the doubles appeared after resetting settings (Settings) → The phone. → Reset settings), don't try to remove them manually - check your sync settings first! Restore from backup after reset often results in "shadow" copies of contacts.

Method 1: Combining duplicates through the standard "Contacts" application

The easiest method is to use the built-in merger function in the Contacts app (or Phone, depending on the version). MIUI). This is a good way to do it if there are few duplicates (up to the end). 50-100 piece).

Instructions:

1. Open the Contacts app.
2. Press three points (⋮) in the upper right corner and select Contact Management (or Settings).
3. Go to the section "Merge contacts" (in some versions) MIUI This item may be called Find and Combine Duplicates).
4. The system will automatically find possible duplicates. Click Combine next to each set of copies.
5. Confirm the merger – data from the takes will be added to the main contact.

If there is no automatic duplicate search function (this happens on custom firmware), try the following method:

• 🔍 Open a contact that has duplicates.
• 📌 Press three points (⋮) and select Edit.
• 🔗 At the top of the screen, a suggestion to combine with another contact may appear – click Unify.

Make a backup copy of contacts|Check the free space on the phone|Disable synchronization with Mi Account|Close background annexes-->

If the duplicates reappear after a while, the problem is that they are not synchronized with the cloud, so move on to the next one.

Method 2: Disabling synchronization with unnecessary accounts

Most often, duplicates arise from the fact that the same contact is stored in several sources: Google, Mi Account, SIM-To fix this, you need to leave only one primary source and disable the rest.

Steps to turn off synchronization:

1. Go to Settings. → Accounts and synchronization (or Settings) → Memory and synchronization → Accounts in MIUI 14).
2. Select the account you want to stop syncing with (such as Mi Account).
3. Turn off the slider near Contacts.
4. Confirm the action, the system will prompt you to delete the contacts of this account from the device.
5. Repeat for all unnecessary accounts, leaving only one (we recommend Google Contacts for reliability).

Once you turn off sync, check the phone book. The duplicates associated with the accounts that are disabled should disappear. If not, manually delete them (more on this in the next section).

⚠️ Note: If you disable sync with Google Contacts, all changes on your phone will no longer be saved to the cloud. → Settings → Exports.

Google|Mi Account|Local storage.|SIM-map|I'm not synchronizing.-->

Method 3: Manual removal of duplicates (for power users)

If automatic pairing does not work, you will have to manually delete duplicates, this method requires care, as there is a risk of accidentally erasing important data.

Step-by-step:

1. Open the Contacts app.
2. Press three points (⋮) and select Settings → Show contacts.
3. Make sure all sources are selected (Google, Mi Account, SIM etc.) to see all the takes.
4. Scroll through the list and find the forked contacts, which are usually displayed with the same names but different numbers or blank fields.
5. Open the duplicate, press Remove (basket icon) Do not delete the main contact!
6. If you have a lot of takes, use a name search at the top of the screen.

To speed up the process, you can sort contacts by source:

• 📱 Go to Settings. → Show contacts.
• 🔍 Choose a display for only one source (e.g. Google).
• 🗑️ Remove all duplicates from this source, then repeat for the rest.

Redmi 9: when manually removing contacts from the SIM-The system can create ghost copies in the local storage. To avoid this, turn off the display before deleting it. SIM-Contacts in the settings of the application "Contacts".

💡

If there are too many duplicates (hundreds of entries), use your computer: export contacts to a.vcf file, open it in Excel or Google Sheets, delete duplicates through the Remove Duplicates function, then import back.

5. Method 4: Export, cleaning and import of contacts (full reset)

If previous methods have failed, you'll have to resort to "heavy artillery" -- a complete cleanup and reconnection method that's guaranteed to remove all the takes, but requires mandatory backup.

Instructions:

1. Export of contacts: Open contacts → Settings → Export. Select the.vcf format and save the file to internal memory or to SD-Copy the file to your computer or to the cloud (like Google Drive) for security.
2. Cleaning all contacts: Go to Settings → Annexes → App management. Find the Contacts Storage app. Click Storage. → Clear the data. Confirm the action, it will delete all contacts from the device.
3. Disconnect Sync: Go to Settings → Accounts and syncs. Turn off contact sync for all accounts.
4. Import of Cleared Contacts: Open the.vcf file through any file manager. The system will suggest importing contacts - confirm. Select Google Contacts as your save location (if you use this account).

After importing, enable sync for only one account (we recommend Google) and check for no duplicates.

6. Method 5: Using third-party cleaning applications

If you manually delete duplicates for too long, you can use specialized applications that automatically find and combine repeating records.-3 Proven utilities for Xiaomi Redmi 9:

Instructions for use (for example, Contacts Optimizer):

1. Download and install the app from Google Play.
2. Start it and give access to the contacts.
3. Click Scan Duplicate – the program will analyze all records.
4. View the list of duplicates found. The app will offer options for merging (for example, combining phone numbers or email).
5. Click Combine selected and confirm the action.
6. Once completed, check the phone book - the takes should disappear.

Advantages of third-party applications:

• 🔍 More accurate duplicate search than in the standard Xiaomi app.
• 📊 The possibility of mass unification (saves time with hundreds of takes).
• 🔄 Automatic backup before changes.

⚠️ Warning: Always read reviews and permissions before using third-party apps. Some utilities may request unnecessary rights (e.g. access to the service). SMS Geolocation or geolocation is a sign of potentially dangerous software.

💡

The side of the application is convenient for mass cleaning, but does not replace manual verification. After automatic combination, it is recommended to manually check important contacts (for example, work or bank numbers).

7.Prevention: How to avoid double contact in the future

To avoid recurring problems, follow these rules:

• 🔧 Use one primary account to sync (better Google). SIM-map and local storage.
• 🔄 Check your sync settings regularly after updates MIUI — sometimes they get confused.
• 📱 Avoid manually copying contacts through.vcf files. If you need to transfer data, use official tools (Mi Mover or Google Contacts).
• 🔍 Periodically clear the cache of the "Contacts" application (Settings) → Annexes → Contacts → Warehouse → Clear the cache).
• 📌 Don’t use multiple messengers to store contacts, for example, if you save numbers on both WhatsApp and Telegram, the risk of duplicates increases.

If you change your phones frequently or reset your settings, set up automatic backups in Google Contacts:

1. Open contacts.google.com on your computer.
2. Go to Settings. → Export and keep a backup copy.
3. Turn on automatic sync in your Google account settings on your phone.

Useful Lifehack: If you encounter duplicates often, create a tag in Google Contacts (such as “#doubles”) and tag problem posts with it so you can quickly find and delete them when the next crash occurs.

FAQ: Frequent questions about duplicate contacts on Redmi 9