How to completely remove all contacts with Xiaomi Redmi 9: a step-by-step guide

Why delete all contacts with Redmi 9 and when it is necessary

Removing all contacts from the Xiaomi Redmi 9 smartphone is a task that can be required in a variety of situations, such as before selling a phone to protect personal data, or when transferring a device to another person, sometimes users are faced with the need to “clean” the phone from accumulated duplicates, outdated numbers or contacts from different accounts that are synchronized automatically.

It is important to understand that completely removing contacts is not the same as archiving or hiding them. Once deleted, it will be impossible to restore numbers (unless there was a backup). MIUI There are several ways to do this: through standard settings, using a Google account, through the Contacts app, or even using the ADB-The choice of method depends on whether you want to save other data on the phone or plan a complete reset.

If you're not sure which one is right for you, look at the method comparison table below, and if you're afraid of losing important numbers, export your contacts to.vcf or sync them to the cloud first.

Method 1: Delete all contacts through the Contacts app

The easiest and most obvious method is to use Xiaomi’s built-in Contacts app, which is suitable if you want to delete only contacts without affecting other data on your phone, but keep in mind that if contacts are synced with a Google account or Mi Cloud, they can be restored after re-syncing.

To avoid automatic recovery, turn off synchronization before removing:

1. Open Settings → Accounts and Synchronization.
2. Choose Google or Mi Cloud.
3. Turn off the slider opposite Contact.

You can now proceed to remove:

• 📱 Open the Contacts app (a icon with a person's silhouette).
• 🔍 Click on the three dots in the top right corner and select Contact Management.
• 🗑️ Tap to remove contacts → Select All Contacts → confirm.
• ✅ Wait until the process is complete (may take a few seconds).

⚠️ If you are using Redmi 9 with two SIM-This method will only delete contacts from the phone's memory. SIM-The cards will remain intact. To clear them, go to Contact. → Settings → Imports/Exports → Management SIM-contact.

Disable sync with Google/Mi Cloud

Export backup of contacts (optional)

Close all background applications

Check the battery power (minimum 20%)

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Method 2: Reset contacts through Google account

If your contacts are synced to Google, you can delete them remotely, right from your web browser, which is convenient when your phone is lost, stolen, or you want to clean up remotely, but remember, once deleted, the contacts will disappear from all the devices that sync to that account.

Instructions:

1. Go to the Google Contacts website and log in.
2. On the left menu, select More → Delete contacts.
3. Check all contacts or select the ones you need manually.
4. Click Delete and confirm the action.

To make the changes to Redmi 9, do the forced synchronization:

• 🔄 Go to Settings. → Accounts and synchronization → Google.
• 🔗 Put it on your account. → Synchronize contacts.

⚠️ Attention: Remote contacts are stored in the Google Recycle Bin for 30 days, and if you change your mind, they can be restored within that time frame. After 30 days, the data is deleted irrevocably.

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If you use multiple Google accounts on Redmi 9, check which one your contacts are synced to. Open Contacts → Settings → Default account.

Method 3: Completely reset your phone (Hard Reset)

If you not only need to delete contacts, but also completely clean your phone (for example, before selling), perform Hard Reset.This method deletes all data, including apps, photos, messages and settings. Use it only as a last resort!

Instructions for Xiaomi Redmi 9:

1. Make a backup copy of important data (photos, videos, documents).
2. Go to Settings → About the phone → Reset settings.
3. Select Delete all data.
4. Enter the password (if set) and confirm the reset.
5. Wait for the reboot (it will take 5-10 minutes).

Once reset, the phone will be like new, with no contacts, apps, or personal files, and if you plan to sell the Redmi 9, you can add:

• 🔐 Delete all accounts (Settings) → Accounts and synchronization).
• 📶 Disable Mi Cloud and Find Device.
• 🔧 Sign out of your Google account (required for resetting) FRP!).

Method 4: Remove contacts via ADB (for power users)

If standard methods fail (e.g., due to a firmware failure), you can use Android Debug Bridge (ADB).This method requires connecting the phone to a computer and basic command line knowledge. Incorrect use of ADB can lead to data loss or system damage!

Step-by-step:

1. Turn on Developer Mode on Redmi 9: Go to Settings → About Phone. Tap 7 times on MIUI Version. Go back to Settings → Additional → Developer. Activate USB Debugging.

Connect your phone to your PC through USB-Cable (use the original cable for stability).

ADB Tools

cmd

adb.exe

adb devices

(Your device name should appear, which means that the connection is established.)

adb shell pm clear com.android.contacts


adb shell pm clear com.miui.contacts

These commands will clear the cache and data of the Contacts application, which will result in the deletion of all saved numbers.

⚠️ Attention: After completing commands ADB If contacts have been synced to the cloud, they will recover the next time you connect to the Internet. To avoid this, pre-disable sync as described in Method 1.

Through the Contacts app

Through a Google account

Full reset of the phone (Hard Reset)

Through ADB (for experienced)

Another option-->

Method 5: Removal of contacts with SIM-map

If your contacts are not stored in your phone memory, SIM-This is a method that is relevant for users who have moved numbers from an old phone or saved them directly to the phone. SIM. Redmi 9 is supported SIM-Nano-SIM cards, but the contact management functionality is limited.

How to delete SIM contacts:

1. Open the Contacts app.
2. Tap it on three points. → Settings → Imports/Exports → Management SIM-contact.
3. Choose. SIM-card (if two of them).
4. Click Remove All and confirm the action.

If none of these methods worked, try the following:

1. Update Redmi 9 to the latest version (Settings → About Phone → System Update).
2. Install an alternative contact app (such as Truecaller or Simpler Contacts) and delete numbers through it.
3. Contact Xiaomi support via the official Mi Community website or forum.

FAQ: Frequent questions about contact removal on Redmi 9