How to combine contacts Xiaomi Redmi 9C: 5 working ways

Duplicate contacts in the Xiaomi Redmi phone book 9C — common problem that occurs when synchronizing with multiple accounts (Google, Mi Account, SIM-The separate records of the same person not only clutter up the list, but also make it difficult to find the right number. In this article, we will discuss 5 proven ways to connect contacts, from standard tools. MIUI to third-party applications, and also tell how to avoid the appearance of duplicates in the future.

The Redmi 9C (M2006C3LG/M2006C3MI) is a feature that the manufacturer has modified the interface of the Contacts app compared to pure Android, which means that some features may be in unexpected menu sections. We have taken these nuances into account and adapted the instructions specifically for the owners of this device. If you use MIUI 12.5 firmware or later, all the methods described will work without additional settings.

1. Connecting contacts through the standard “Contacts” application

The easiest way to do this is to use the built-in merging function in the Contacts app (an icon with a person's silhouette on a green background), which is suitable for combining 2-3 takes of a single contact if they appear on the main list.

1. Open the Contacts app and find the duplicate entry. Tap it to open the card.
2. In the upper right corner, press three vertical dots (⋮) and select the item Edit.
3. Scroll down to the Linked Contacts block and click Link.
4. In the search box, type the name of the second take and select it from the list. Confirm the combination with the Ready button.

If there are more than two duplicate entries, repeat the process for each pair. Note: this method does not delete the original entries, but only binds them into one card. To eliminate duplicates completely, use the following method:

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Before combining, check if the duplicates contain unique information (such as an additional email or address) and if you do not store them in advance, this data may be lost after the merger.

2. Automatic combination of duplicates through MIUI settings

MIUI has a hidden function of automatically searching and merging duplicate contacts, and it works at the system level, and it analyzes not only names, but also phone numbers, email addresses, to activate it:

1. Go to Settings → Applications → Application Management.
2. Find the Contacts list and open its settings.
3. Select Warehouse, then click Clear Data (don’t be afraid – it won’t delete your contacts, it will only reset the cache).
4. Return to the main contact menu, click on three points (⋮) and select Settings → Combine the takes.

The system scans the phone book and suggests combining the duplicates found. Confirm the action for each contact or choose Combine all. This method is effective if the duplicates appeared after updating MIUI or syncing with Google account.

3. Connecting through Google Contacts (for synchronized records)

If your contacts are synced to your Google account, it is easier to combine them through the web version of the service, which ensures that the changes apply to all devices where you use this account.

1. Open your browser on Redmi 9C or your computer and go to contacts.google.com. Sign in with the same account as your phone.
2. On the left menu, select Doubles. The service will automatically find the duplicates.
3. Opposite each take, press Combine. For a mass merger, use the Combine All button in the top panel.
4. Once completed, sync contacts on your phone: Settings → Accounts → Google → Sync contacts.

The advantage of this method is centralized management, and all the changes will be stored in the cloud and applied even after the phone is reset to factory settings. However, please note that Google Contacts does not see records saved only on the phone. SIM-map or local memory of Redmi 9C.

4.Use of third-party applications for combining

If the built-in MIUI tools fail, specialized applications will come to the rescue, and we tested several solutions and selected the 3 most reliable for Xiaomi Redmi 9C:

• 🔹 Simpler Merge is a free app with an intuitive interface, supports unification by number, email and name.
• 🔹 Contacts Optimizer is a utility with extended filters (for example, search for duplicates by partial coincidence of names.
• 🔹 Dedup Contacts – Analyzes contacts by 10+ criteria and offers merger options. Supports backup before changes.

Before using any of these applications, back up your contacts:

1. Open Contacts. → ⋮ → Contact management → Imports/Exports → Export to file.
2. Select the.vcf format and save the file to internal memory or to MicroSD.

Create a backup copy of contacts|Check the reviews of the app on Google Play|Getting acquainted with permissions (access to contacts, storage)|Disable autosynchronization with Google while working-->

After you install the app, follow the instructions. Usually, the process is to scan the phone book, select duplicates, and confirm the merger. For example, in Simpler Merge, just click Scan for Duplicates, tick the record, and select Merge Selected.

⚠️ Note: Some apps (e.g. Cleaner Apps) offer "optimization" of contacts, but can delete important data. SMS, Calls, geolocations).

Manual association through export/import (for experienced users)

This is a good method if there are hundreds of duplicate contacts and automatic tools fail, and the idea is to export the phone book to a.vcf file, edit it manually (or with Excel) and re-import it.

1. Export contacts to the.vcf file (as described in the previous section).
2. Copy the file to your computer and open it in a text editor (like Notepad++) or convert it to.csv via Google Contacts.
3. Remove duplicate lines (in Excel you can use the Remove duplicates in the Data menu).
4. Save the edited file and import it back to your phone: Contacts → ⋮ → Contact management → Imports/Exports → Import from the file.

This requires accuracy, but gives you 100% control over the process, for example, you can manually edit the format of phone numbers (remove extra spaces, give the view +79991234567) or correct typos in names.

How to Prevent the appearance of doubles in the future

To avoid the problem of duplicate contacts again, follow these recommendations:

• 📱 Turn off auto-save contacts on SIM-Map, please contact us. → ⋮ → Settings → Save contacts and select a phone or Google account.
• 🔄 Sync contacts with only one account. Avoid syncing with Mi Account and Google at the same time - this is a common reason for duplicates.
• 📥 Check the imported files. When transferring contacts from another phone, first open the.vcf file on your computer and delete explicit duplicates.
• 🔄 Clean the cache of the Contacts app regularly, this will help avoid synchronization failures: Settings → Annexes → Contacts → Warehouse → Clear the cache.

If you often get contacts through WhatsApp, Telegram or Viber, set up automatic save to only one source: ⋮ → Settings → Contacts → Maintaining contacts → Always ask.

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The most common reason for duplicates on Xiaomi Redmi 9C is simultaneous sync with Google and Mi Account. disable sync with one of the accounts to avoid problems in the future.

Frequent mistakes and their solutions

When connecting contacts, Redmi 9C users face typical problems, and we've collected the most common ones and ways to fix them:

• 🚫 The "Joint Doubles" button is inactive Reason: Contacts are saved to SIM-a card or local memory, not an account Google/Mi. Solution: Move all contacts to one account through Contacts → ⋮ → Contact management → Imports/Exports.
• 🔄 After the merger, the phone numbers were missing Reason: The merger selected the primary record without numbers.Solution: Restore contacts from the backup (if any) or check the cart in Google Contacts (30 days available).
• ⚠️ The reason for this is too many contacts (10 000)+) Solution: Break up the phone book into parts (like alphabetically) and process them separately.

If after all the manipulations, duplicates continue to appear, check the sync settings in Settings → Accounts. Perhaps one of the applications (for example, Facebook or Skype) automatically adds contacts to the phone book.

⚠️ Attention: Xiaomi Redmi 9C firmware MIUI 12.5 and below, there is a bug: when importing contacts from a.vcf file more than 500 records, the system can create duplicates. To avoid this, import data in parts of 300-400 contacts.

FAQ: Answers to popular questions