How to Delete All Contacts on Xiaomi Redmi 9A: Safe Techniques

Xiaomi Redmi 9A remains one of the most popular budget smartphones due to the combination of price and functionality. However, over time, the phone book is filled with unnecessary numbers: duplicate contacts, old records, spam numbers. Cleaning them manually takes hours, and a mistake in mass removal can cost you the loss of important data. In this guide, we will discuss 5 reliable ways to delete all contacts on the Redmi 9A – from standard MIUI tools to hidden functions and third-party applications.

The Xiaomi Redmi 9A (M2006C3LG/M2006C3MII) is a feature that runs on pure Android Go with a MIUI shell, where contact management is nuanced, such as linking to a Mi Account or syncing with Google can block mass deletion, and we have taken these into account and prepared instructions that will work even if:

• 📱 Contacts are duplicated between SIM-phone-card;
• 🔒 Deletion blocked due to synchronization with Mi Cloud;
• 🗑️ Only a certain group should be cleared (e.g., a SIM WhatsApp).

Before you start, check the MIUI version in Settings → About Phone. Instructions are valid for MIUI 12.5–14 (including global and Chinese firmware). If you have custom firmware (e.g. Pixel Experience), some menu items may differ.

1. Delete all contacts through the standard “Contacts” application

The most obvious way is to use the built-in Contacts app, but there are pitfalls: by default, MIUI hides the mass deletion option so users don't accidentally erase important data, to activate it:

1. Open the Contacts app.
2. Touch three points (⋮) top-right → Select Contact Management.
3. Tap on Delete Contacts (if there is no item, read the next section).
4. Tick all contacts (or click Select All) → Delete.

If there is no button to delete contacts, it means:

• 🔄 Contacts are synced with Mi Account or Google (you need to turn off sync in your account settings);
• 📶 You are trying to remove contacts from SIM-maps (for this there is a separate way - see section 3);
• 🛠️ The Contacts app has been updated and the menu has changed (try resetting it to Settings). → Annexes → Contacts → Warehouse → Clear the data).

⚠️ Note: If you delete contacts synced to Google, they will disappear on other devices where this account is used. To avoid this, turn off sync to Settings before deleting. → Accounts. → Google → Account Synchronization (uncheck the box from Contacts).

2. How to delete contacts via MIUI (hidden method) settings

MIUI has a hidden contact reset feature that works even if a standard app is “gone out,” a technique that is suitable for cleaning the phone book completely, including entries from:

• 📞 Phone memory;
• 💾 Mi Account (if synchronization is disabled);
• 📁 Local Accounts (such as Exchange).

Instructions:

1. Go to Settings → Applications → Application Management.
2. Find the "Contacts" list** (or com.android.contacts) → open.

After this procedure, the Contacts app will reset to the factory settings, and all records will be erased. SIM-map and synchronized accounts (Google, WhatsApp, etc.).

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If contacts reappear after cleaning, check automatic synchronization in Settings → Accounts. → Mi Account/Google → Contact synchronization. Turn it off if you don't need it.

Clearing the contacts on SIM-map (separate method)

Contacts saved on SIM-The card is removed separately from the main phone book. 9A, As many users have a habit of keeping numbers on SIM. To erase them:

1. Open the "Contact" app»** → click on the tab SIM (If it's not there, tap it three points. ⋮ → Show contacts SIM).

Please note that:

• 📌 One on one. SIM-The card usually contains up to 250 contacts (depending on the operator);
• 🔧 Contacts to SIM They are not synced to the clouds, so you need to back them up manually;
• 🚫 Some operators (for example, Tele2) block editing of contacts on the Internet. SIM Use the phone menu – in this case, use it. USSD-commands (see spoiler below).

4. Massive deletion via Google Contacts (if sync is enabled)

If your contacts are synced with Google, they can be deleted via the web interface.

• 🌐 You need to clear contacts on multiple devices at the same time;
• 🔄 You want to keep a backup before deleting;
• 📱 The phone does not have enough memory to manipulate.

Step-by-step:

1. Open contacts.google.com on your computer or phone (sign up with the same account as Redmi 9A).
2. On the left of the menu, select More → Export (to make a backup).
3. Return to the home page, tick all contacts (or click Highlight everything at the top).
4. Click on the basket icon (🗑️) → confirm removal.
5. On your phone, open Settings → Accounts → Google → Sync and update data.

⚠️ Attention: Deleting Google Contacts erases entries on all devices where this account is used.If you want to clear contacts only on Redmi 9A, Pre-disable synchronization in the phone settings.

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Google sync is the most reliable way to back up your contacts, and even if you delete them on your phone, they can be restored via the web.

5.Use of third-party applications for mass removal

If the built-in MIUI tools fail (for example, due to bugs or firmware limitations), you can use third-party apps. We tested 3 reliable options that work on the Redmi 9A:

Contacts Optimizer is optimized for Xiaomi and can:

• 🧹 Remove duplicates automatically;
• 📊 Sorting contacts by source (SIM, phone, Google);
• 🔍 Finding empty or incomplete records.

To avoid problems:

1. Before using the app, turn off sync with Mi Cloud and Google.
2. Make a backup through Settings → Additional → Backup and Reset.
3. Do not use apps that request root rights – on Redmi 9A, this may disrupt MIUI.

6. Recovery of accidentally deleted contacts

If you erase important numbers, don't panic, they can be restored.

• 🔄 Google Contacts: Go to contacts.google.com → More. → Cancel changes. The system saves the history for 30 days.
• ☁️ Mi Cloud: Open i.mi.com → Contacts → Recycle Bin (stores deleted records for 15 days).
• 📱 Local Contacts: Use apps like MyBackup Pro if you’ve made a backup.

If there are no backups, try:

1. Check the phone log, the numbers may have been saved.
2. Use it. SMS-Messages – there may be contacts in correspondence.
3. Contact the carrier – some (for example, MTS) store a call history for up to 6 months.

⚠️ Note: After cleaning the Contacts app data (the method in Section 2), local records cannot be restored. Always back up before mass changes!

FAQ: Frequent questions about removing contacts on Xiaomi Redmi 9A