How to completely remove contacts from SIM-maps on Xiaomi Redmi 9 with NFC: step-by-step instructions and life hacks

Removal of contacts with SIM-Xiaomi Redmi 9 cards, including versions with NFC) — It's a problem that seems simple at first glance, but often raises questions, and users face problems: contacts are duplicated in a phone book, not deleted by standard methods, or returned after a reboot. SIM-maps, including hidden functions MIUI, Third-party applications and methods for cases where the phone does not recognize the card.

Features of Redmi 9 (models) M2003J15SC, M2004C3LGG etc.) in that the system MIUI By default, it syncs contacts with Google account and Mi Cloud, but SIM-If you plan to sell your phone, change your phone. SIM-So if you want to map it or just clean it up, it's important to delete it correctly, so you can avoid any leaks of personal information. MIUI 12.5–14 and identified those that work consistently.

Why contact with the SIM-The cards are not removed in the standard way?

The problem is the storage architecture on Xiaomi, and here are the main reasons:

• 🔄 Autosynchronization with Mi Cloud: Even after deletion, contacts can be restored from the cloud if Settings is enabled → Accounts. → Mi Cloud → Synchronization of contacts.
• 📱 Duplication in the telephone book: MIUI displays the contacts simultaneously from SIM, Google and local memory, which creates the illusion of their "indeletionability".
• 🚫 Operator restrictions: some SIM-cards (for example, MTS or Beeline of the old sample) block editing contacts through the phone menu.
• 🛠️ Failures in the module SIM: If the phone does not recognize the card as “writable”, editing functions become unavailable.

Before you start removing, check:

1. Is synchronization with Mi Cloud and Google disabled in account settings?
2. Will he? SIM-map in the menu Settings → SIM-maps and mobile networks (the operator number must be displayed).
3. Is there physical access to the SIM slot (on Redmi 9 it is located on the left - a paper clip is required to extract the tray).

Method 1: Remove via the standard "Contact" application

The most obvious method is to use the built-in Contacts app (an icon with a person's silhouette on a green background).

1. Open the Contact app and tap on three points (⋮) top-right.
2. Select Contact Management → Imports/Exports → SIM-map.
3. Click Delete all contacts with SIM (or select the ones you need manually).
4. Confirm the action with a password/fingerprint if requested.

What to do if there is no "Delete" item?

• 🔍 Check if the option is hidden behind the long tap on the contact (hold your finger 2-3 seconds).
• 📲 Update the Contacts app via Google Play (sometimes older versions) MIUI conceal).
• 🔄 Reboot the phone – it will reset the app cache.

⚠️ Note: If your contacts are back after deleting, they are linked to your Google account. → Accounts. → Google → Synchronize and disable the "Contact" option".

Method 2: Use of an engineering menu (for advanced users)

If standard methods fail, you can use the engineering menu (hidden MIUI function), which is suitable for Redmi 9 on MIUI 12-14 firmware, but requires caution:

1. Open the Phone app and enter the code: ##4636###
2. In the menu that appears, select Phone Information.
3. Scroll down to the block. SIM-map and tap on your number SIM.
4. Click Delete all contacts (the option may be called Clear SIM Contacts in English firmware).

On some versions of MIUI, this method is blocked, so instead of deleting it, you'll see a message saying "Office disabled by operator." In this case, move to method 3.

Method 3: Third-party management applications SIM-contact

If the built-in MIUI tools don't work, Google Play apps come to the rescue, and we tested 5 popular utilities and selected the two most reliable ones:

1. SIM Card Manager (by Simple Mobile Tools)

The open source application, which does not require root rights, supports batch removal and export of contacts to.vcf.

• 📌 Pros: no advertising, works on all versions of Android.
• 🚫 Cons: does not support the Russian language.

2. SIM Toolkit (from your operator)

Many operators (such as MegaFon or Tele2) offer their own SIM management applications, which are usually pre-installed or available in the Play Market.

• 📌 Pros: optimized for local SIM-Cards, often have a function "clear memory" SIM".
• 🚫 Cons: may contain advertising of the operator's services.

How to use:

1. Install the app and give access to contacts.
2. Select SIM Contacts or SIM Management.
3. Use the Delete All option or select contacts manually.

💡

Before using third-party apps, check reviews from the past 3 months – some utilities may contain malicious code masquerading as tools for the use of software. SIM-map.

Method 4: Removal via ADB (for tech-savvy)

If you are familiar with Android Debug Bridge (ADB), You can remove contacts from SIM-This method works even when the phone doesn't recognize it. SIM interfaced.

Step-by-step:

1. Enable USB debugging in the developer settings (Settings → About Phone → MIUI version – tap 7 times, then go back to Additional → For Developers).
2. Connect Redmi 9 to your PC and open the terminal (or PowerShell on Windows).
3. Enter the commands in turn: adb shell content query --uri content://icc/adn --where "1=1" --projection "name, number" content delete --uri content://icc/adn --where "1=1"
4. Reboot the phone.

The first command will show all contacts on SIM (to verify), the second will delete them. If you see a no such table: adn error, then your firmware will block access to SIM through ADB.

⚠️ Attention: Misuse of the right ADB This may cause your phone to malfunction. Do not type other commands than those indicated!

Method 5: Physical Formatting SIM-map

The last method is complete cleaning. SIM-cards via another device or operator:

• 📵 Phone doesn't recognize. SIM (mistake "SIM-card not supported").
• 🔒 Contacts protected PIN2-code you don't know.
• 🗑️ You must erase all data (for example, before selling your phone).

Options:

1. Through another phone: Insert SIM into your old phone (like the Nokia 3310 or Samsung on pure Android) and delete contacts through its menu.
2. In the cabin of the operator: MTS, Beeline and MegaFon provide SIM cleaning service for 50-100 rubles.
3. Through USB-Modem: Connect SIM ce 4G-modem (e.g. Huawei) E3372) Use the web interface of the device to manage contacts.

Frequent mistakes and their solutions

When removing contacts with the SIM on Xiaomi Redmi 9, users face typical problems.

1. Mistake "SIM-card does not support the operation"

Reason: Outdated SIM (e.g. Mini-SIM) or operator lock.

Decision:

• 🔄 Update. SIM from the operator (free in the cabin).
• 📶 Check if the mobile network is on (sometimes operations with the SIM require active connection).

2 Contacts deleted but remained in the phone book

Reason: They were copied to the phone’s memory or synced to the account.

Decision:

1. Open Settings → Accounts and turn off sync for Google and Mi Cloud.
2. In the Contacts app, select Filter → Show only SIM – so you will see what contacts are really left on the map.

3.After the reboot, the contacts returned

Reason: Auto-restore from MIUI backup.

Decision:

• 🔍 Check the folder. MIUI/Backup/AllBackup In internal memory – delete backup files.
• 📱 Reset the settings of the "Contact" application in Settings → Annexes → Application management → Contacts → Warehouse → Clear the data.

💡

Before any manipulations with SIM-Always back up your contacts via export to.vcf. This will take 2 minutes, but saves you hours on data recovery.

FAQ: Answers to popular questions