Changing the phone number on Xiaomi devices is a challenge that every user faces when replacing SIM-It would seem that it could be easier to insert a new SIM and ready, but in practice, many people find that the old number continues to appear in contacts, messengers or even system settings. Worse still, some features (like Mi Account calls or syncs) SMS) This may not work properly if you do not update your profile number.
In this article, we will analyze all possible ways to change the number on Xiaomi, Redmi and smartphones. POCO — base-substitute SIM-maps to deep settings of the Mi Account and third-party applications, especially focusing on typical errors (for example, when the number is not updated in Settings) → And the phone, and we'll explain why some of these methods don't work on all models, and if you've recently changed handsets or bought a used phone, keep this manual, it's going to come in handy!
1. Replacement of the number through settings SIM-maps (basic method)
The most obvious way is to update the number directly in the settings SIM-This method works on all Xiaomi models (including the Redmi Note 12, POCO X5, Mi 11 and older devices, but has a limitation: it only changes the number for the current device. SIM-cards without affecting Mi Account or third-party apps.
To change the number:
- 📱 Open the Settings app (cog icon).
- 🔍 Go to section. SIM-maps and mobile networks (on some firmware - Mobile network).
- 📞 Choose. SIM-Cards that need to be updated (if you have a dual-SIM).
- ✏️ Click on the line with the current number (for example, +7 9XX XXX-XX-XX) And you can enter a new one.
- 💾 Save the changes – the system will automatically update the data.
⚠️ Note: If the number has not changed after saving, check it:
- 🔄 Restart your phone – sometimes changes only apply after a reboot.
- 📶 Make sure that SIM-The card is active (not blocked by the operator).
- 📦 Update the firmware: on older versions MIUI (12 below, this method may not work.
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If the number is not edited (button is inactive), try temporarily disabling the second one. SIM-Card - sometimes it removes the restriction.
2. Update the number in the Mi Account (for data synchronization)
If you use a Xiaomi account (Mi Account) for backup, contact sync, or cloud services, the old number can remain linked to the profile even after you have replaced it. SIM-It's a problem. It's a problem:
- 📱 Calls via Mi Account (calls are from the old number).
- ☁️ Errors in contact synchronization and SMS.
- 🔒 Two-factor authentication problems (code comes to old number).
To update the number in Mi Account:
- Open Settings → Xiaomi account.
- Click on the profile avatar or line with the email/number.
- Select Account Management (browser will open).
- In the web version of the profile, go to Security Settings → Phone Number.
- Confirm the old number (will be here) SMS-code and enter a new code.
🔴 Important: After changing the number in Mi Account, all devices associated with this account will be logged off (including smartwatches, TVs and other Xiaomi gadgets.
What if no SMS is sent to confirm?
3. Change of number in applications: Contacts, Messages, WhatsApp
Even after updating the number in the phone and Mi Account settings, it can remain old in individual applications, and let's see how to fix this for key services.
📇 Contacts (Google and Mi Contacts)
If your number is linked to a Google account:
- 🔗 Open Google Contacts (or Mi Contacts if you use local storage).
- 👤 Find your contact card (usually displayed as “I” or your name).
- 📝 Edit the number and save it.
💬 Communications (SMS/MMS)
In the standard Message app, the number is updated automatically when replaced. SIM-If that didn't happen:
- Open the messages. → ⋮ (menu) → Settings.
- Select General Settings → My information.
- Renew the number manually.
📱 WhatsApp and Telegram
In messengers, the number changes regardless of the system settings:
- 📲 WhatsApp: ⋮ → Settings → Account. → Change the number.
- 📊 Telegram: ⋮ → Settings → Change the phone number.
4. reset network settings (if the number is not determined)
Sometimes Xiaomi's smartphone doesn't see the new number or displays it as Unknown, and it's linked to the cache of the mobile network.
- Go to Settings. → SIM-maps and mobile networks.
- Choose a problem SIM-map.
- Click Network Reset (or APN Reset).
- Confirm the action and restart the phone.
⚠️ Attention: After discharge APN You will need to reconfigure the Internet settings (usually they come to you). SMS If the Internet is not working, enter the data APN manually through settings → Mobile network → Access points (APN).
| Operator. | APN name | APN | Type of authentication |
|---|---|---|---|
| MTS | mts | internet.mts.ru | PAP |
| Beeline | beeline internet | internet.beeline.ru | PAP |
| MegaFon | Megafon | internet | PAP |
| Tele2. | Tele2 RU | internet.tele2.ru | PAP |
5. Problems and mistakes when changing the number to Xiaomi
It doesn't always go smoothly. Here are the most common mistakes and ways to solve them:
- 🚫 "You can't change the number" in Mi Account: Reason: security restriction (e.g. you recently changed your password).Solution: Wait 24 hours or contact Xiaomi support.
- 🔄 Number resets after reboot: Reason: Dual-SIM conflict or firmware error.Solution: Update MIUI until the last version or disable the second version SIM-map.
- 📵 No network after changing number: Reason: incorrect settings APN lock-in IMEI (Solution: Check it out. IMEI via *#06# and compare with the data in the box.
Check the balance. SIM-map|Update the firmware MIUI|Reset the network settings|Check it out. IMEI originality|Contact the operator for a new one. SIM-card-->
6. Features for different Xiaomi models
Some devices have unique nuances when changing numbers:
- 📱 Xiaomi 13/14 Series: On these models, the number is automatically updated when first sent SMS or a new call SIM-You can't edit it by hand.
- 📱 Redmi Note 10/11/12: There may be problems with the number in the status bar. Solution: disable the operator number in Settings → Screen. → Status line.
- 📱 POCO F3/F4/F5: On these phones, the number changes only through Mi Account – editing in the settings SIM-maps unavailable.
- 📱 Xiaomi Mi A1/A2/A3 (Android One: Uses “clean” Android, so the number changes through Google Settings → Personal data.
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On the new flagships (Xiaomi 14, Redmi K70), the number is updated automatically on the first call or SMS - manual editing is blocked.
7. How to check that the number has changed correctly
To make sure that the new number works on all services:
- 📞 Test call: Call another phone and check which number the recipient displays.
- 💬 SMS-Test: Send a message to a short number (e.g. 0000 to check balance).
- ☁️ Sync: Make sure the number is updated in Settings → Xiaomi account → Profile.
- 🔍 Verification IMEI: Enter *#06# if two are displayed IMEI, But the number doesn't change, the problem may be in the module. SIM-map.
⚠️ Warning: If the number is still displayed after all the manipulations, this may indicate a hardware problem (damaged slot) SIM-card) or software failure (for example, after informal firmware:
- 🔧 Reset to factory settings (with data storage).
- 🛠️ Contact Xiaomi Service Center for Communication Module Diagnostics.