How to completely remove contacts from SIM-maps on Xiaomi Poco X3: step-by-step

Why contact us SIM-Xiaomi Poco map X3 It could be a problem.

The SIM card in your Poco X3 is not just a call tool, but also a mini-database that can eventually turn into chaos: the contacts stored on it take up limited space (usually up to 250 records), are duplicated with cloud services and often contain outdated numbers. Unlike the internal memory of the phone, managing contacts on SIM has its own peculiarities: they cannot be synchronized with Google Account, they do not appear in some messengers, and when transferred to a new phone can be lost.

Owners of Xiaomi Poco X3 This problem is more common than others due to the specifics of the firmware MIUI. For example, when importing contacts with SIM On the phone, the system automatically creates duplicates in the device's memory, but does not offer the option of mass deletion from the card. SIM, Not on the phone, until they try to transfer them to a new machine, and then we'll figure out how to clean them safely. SIM-map without losing important data, and what to do if standard methods don't work.

Preparation: What to do before removing contacts with SIM

Before you start cleaning, make sure you don’t lose important numbers. SIM-The card does not have the function of "basket" - remote contacts cannot be restored without specialized equipment (even in service centers this is not always successful:

Backup your contacts to your phone or the cloud|Check if there are any doubles between SIM and device memory|Make sure that SIM-card not blocked PIN-code|Connect your phone to charge (in case of long-term operations)-->

In MIUI, the SIM and phone contacts can be displayed together, but edited differently, to check where the number is stored:

1. Open the Contacts app.
2. Slip on the right contact and choose Edit.
3. Look at the Warehouse field - if indicated SIM-card, so the number is stored on it.

If you plan to transfer your SIM contacts to your phone before you delete them, use the export function.

1. Go to Settings → System and Device → Import/Export Contacts.
2. Select Import with SIM-Maps and specify Google Account or Phone Memory as the target.

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If you have a two-sim Poco X3, Before removing, check which SIM-The card is active in call settings (Settings) → SIM-maps and mobile networks → Choice SIM-The cleaning will only affect the active card.

Method 1: Remove contacts through the standard Contacts app

The easiest method is to use the built-in Contacts app (an icon with a person's silhouette on a green background), which is suitable if you need to delete individual records or small groups of contacts.

1. Open the Contacts app.
2. In the upper right corner, tap three points (⋮) and select Contact Management.
3. Go to the tab. SIM-map (may be called the map) SIM1 or SIM2, if you have two cards).
4. Press and hold your finger on the contact you want to remove, then select other entries (when grouping).
5. Slip on the basket icon (🗑️) In the upper panel and confirm the action.

Pay attention to the nuances:

• 🔹 In some versions MIUI group removal option may not be available – then you will have to delete contacts one by one.
• 🔹 If the contact is gray, it is blocked by the operator (often at service numbers.
• 🔹 After deleting, update the contact list by pulling the screen down – sometimes the entries remain in the cache.

Method 2: Complete cleaning SIM-cards via phone settings

If you need to remove all contact with SIM-The card will be immediately (e.g., before selling a phone or changing operator), and it will be easier to use system settings. This method is guaranteed to clear the card, but requires prior backup:

1. Go to Settings → Applications → Application Management.
2. Find the “Contacts” list and tap on it.
3. Select Warehouse. → Clear the data → Delete data from SIM-map.
4. Confirm the action by entering PIN-code SIM-Cards (if requested).

Important warnings:

⚠️ Note: This method removes all contacts from the SIM-If the card has numbers that are not in the phone (for example, backups), they will be lost.

⚠️ Attention: On some firmware MIUI (especially custom) option Delete data from SIM-In this case, use Method 1 or 3.

After cleaning, it is recommended to restart the phone so that the system updates the cache of contacts. SIM-check it on another phone – sometimes after mass deletion, the card may require re-registration in the operator’s network.

Once a year | Only before selling a phone | Never cleared | When memory runs out-->

Method 3: Use of third-party applications (for power users)

If standard methods fail (for example, due to firmware errors or operator limitations), you can use third-party utilities.

Algorithm of working with SIM Card Manager (for example):

1. Install the app and give access to contacts.
2. Choose yours. SIM-main-menu map.
3. Press Select All (or select the contacts you need manually).
4. Slip Delete and confirm the action.

Warning: Some applications may request suspicious permissions (such as SMS or geolocation access) Never install SIM utilities from unverified sources - this may lead to data leakage or card lock.

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The app side is handy for mass transactions, but always check reviews and rankings on Google Play before installing.Apps rated below 4.0 stars often contain hidden ads or viruses.

Frequent problems and their solutions

Even if you follow the instructions, Poco X3 users may encounter errors, and let’s look at typical scenarios and how to fix them:

1. Contacts are not deleted (button is inactive)

Causes and solutions:

• 📌 SIM-card blocked PIN-code: Unlock it in Settings → Security → Lockdown SIM-map.
• 📌 Contact is protected by the operator: contact the support of your mobile operator (for example, MTS or Beeline can not delete some service numbers).
• 📌 Firmware error: Update MIUI until the latest version or reset the settings of the Contacts app (Settings) → Annexes → Contacts → Warehouse → Clear the cache).

2 After removal, the contacts reappear

This is due to cloud sync or duplication in the phone's memory to fix:

1. Turn off contact sync in Settings → Accounts → Google → Account Sync.
2. Remove duplicates manually through the Contacts app (All Contacts tab → Management → Find duplicates).

3.The phone can't see. SIM-postcard

In rare cases, mass deletion can cause card reading to fail.

• 🔄 Reboot the phone.
• 🔄 Remove and re-insert. SIM-card (by pre-switching off the phone).
• 🔄 If the problem persists, contact the operator to check the card on another device.

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If you often work with contacts on SIM, consider switching to cloud storage (Google Contacts or Mi Cloud) to eliminate the need for manual management of card records.

How to Avoid Contact Problems on SIM in the Future

Not to be faced with the need for cleaning SIM-maps, follow simple rules:

• 📱 Store contacts in your phone or cloud: use Google Contacts or Mi Cloud to automatically sync.This will protect data from loss and make it easier to transfer to your new phone.
• 🔄 Update regularly MIUI: In new versions of the firmware, errors of work with the SIM-contact (e.g. in the MIUI 14 Added Mass Export Option).
• 📊 Use tags: Contacts can be labeled (e.g., Work, Family) to make records easier to manage.
• 🚫 Avoid storage on SIM: modern SIM-maps (especially nano-SIMs) have a limited record life. Frequent editing can cause crashes.

If you still prefer to keep contacts on SIM (for example, for compatibility with old phones), check their relevance regularly.

1. Every 3-6 months, export your SIM contacts to your phone.
2. Remove the outdated numbers as soon as they appear.
3. Use applications like SIM Contacts Backup to automatically back up.

FAQ: Answers to Frequent Questions