How to unlock your phone number in Xiaomi: from SIM-maps to system constraints

Blocking the phone number on Xiaomi smartphones is a problem that users face for various reasons: from a banal error when entering PUK-code before system constraints MIUI Unlike other brands, Xiaomi devices (including the Redmi line, POCO and Mi) have unique unlock nuances associated with firmware and integrated services, for example, after 3 failed typing attempts. PIN-code SIM-The card is blocked, and if the input limit is exceeded PUK β€” It's finally dying, but even then, there are solutions.

In this article, we will discuss 5 working methods of unlocking the number - from standard (through the operator) to little-known (bypassing system restrictions) MIUI). You will learn how to restore access to SIM-The card without loss of data, what to do if the phone requires a Mi Account after reset, and how to avoid re-blocking. SIM and base-based devices MIUI 14/15, Where the blocking algorithms have changed.

1. Unlocking SIM-map PUK-code

The most common situation is blocking SIM-cards after three times incorrectly entering PIN-In this case, the system will request PUK-Personal Unblocking Key, which comes with the card or can be obtained from the operator. PUK, after SIM-The card is permanently blocked and requires replacement.

How to find the PUK:

  • πŸ“„ Check the box from SIM-Cards – the code is usually listed on the plastic holder.
  • πŸ“± Go to the operator’s personal account (for example, MTS, Beeline, MegaFon) via another phone.
  • πŸ“ž Call the operator hotline (numbers: *111# for MTS, *105# for Beeline).
  • 🏦 Contact the communication salon with a passport - the code will be issued free of charge.

Instructions for entering PUK on Xiaomi:

  1. On the lock screen, type PUK1 (if you have dual SIM, select the card you want).
  2. After successful entry, the system will prompt you to set a new PIN-code (can be left blank).
  3. Reset the phone and the connection will be restored.

⚠️ Attention: If you have entered PUK wrongly 10 times, SIM-The only way out is to buy a new card with the same number (some operators retain the number when they replace it).

πŸ“Š Your carrier?
MTS
Beeline
MegaFon
Tele2.
Yota
Other

2 Unlock via Mi Account (if the phone is locked)

If after unsuccessful attempts to unlock SIM-Xiaomi cards require Mi Account data entry, which means that the Find Device protection (similar to Find iPhone) is triggered:

  • You reset your phone to the factory settings with an active link to your account.
  • Someone tried to hack the device (the system considered the actions suspicious).
  • Installed beta version of MIUI with enhanced security measures.

How to unlock:

  1. Enter the email and password from the Mi Account to which the phone is linked.
  2. If you do not remember the data, restore access through the official website (access to the mail or phone number specified during registration is required).
  3. Once authorized, the phone will unlock, but may need to be activated again. SIM-map.
What if your Mi Account is not yours?
If the phone is bought from hands and tied to someone else's account, contact the seller to untie. In extreme cases, contact the Xiaomi service center with a purchase check - they can untie the binding by serial number (paid, ~1500β‚½).

On Redmi Note 12 and later, after unlocking the Mi Account, additional verification via SMS may be required. If the message does not arrive, check:

  • πŸ“Ά Network availability (switch to networking) 2G customized SIM-map).
  • πŸ•’ Time on the phone (if the date is downed, SMS he won't come).
  • πŸ“΅ On the plane mode (should be turned off).

3. reset network settings (if the number is not determined)

Sometimes the problem isn't the lockdown. SIM-And the maps, and the network settings are failing:

  • The phone does not see the operator (writes "No network" or "Emergency calls only").
  • SIM-The card is determined, but the calls and the Internet do not work.
  • After the MIUI update, communication was lost.

The solution is to reset the network settings, and note that after this procedure, stored Wi-Fi passwords and associated devices (earphones, smartwatches) will be deleted.

Instructions:

  1. Go to Settings. β†’ SIM-maps and mobile networks β†’ Resetting network settings.
  2. Confirm the action (you may need to enter a pattern lock).
  3. Restart the phone and wait for the operator’s automatic settings (up to 5 minutes).

Make sure you know the Wi-Fi passwords.

Save important SMS (e.g., with confirmation codes)

Check the balance. SIM-Cards (sometimes after reset, re-activation is required)

Turn it off. VPN (may interfere with network setting)-->

If the reset didn't help, try manually setting up the APN:

  1. Go to Settings. β†’ SIM-maps and mobile networks β†’ Access points (APN).
  2. Click "Add" and enter your operator's settings (can be found on its website).
  3. Save and restart the phone.

4. Unlock through the engineering menu (for power users)

If the standard methods do not work, you can try to unlock the device. SIM-This method is suitable for models based on Qualcomm Snapdragon (for example, Redmi Note 11 Pro, POCO X4 Careful: Incorrect actions can cause network failure.

Instructions:

  1. Open the Phone app and enter the code: ##4636###
  2. Select "Phone Information" (Phone Information).
  3. Scroll down to the SIM Status block and click "Update" (Refresh).
  4. If SIM-The card is defined but blocked, try changing the Set preferred network type setting to LTE only and restart the phone.

For devices on MediaTek (e.g. Redmi 10A), use the following code:

##36446337##

From the menu, select Connectivity β†’ SIM β†’ SIM Lock Status and monitor the lock status.

⚠️ Attention: On some firmware MIUI If nothing happens after you enter the code, the function is disabled by the manufacturer.

5. Contact the Xiaomi Service Center

If all of these methods do not work, you can contact an authorized Xiaomi service center.

  • πŸ”’ SIM-The card is permanently blocked (number of attempts to enter exceeded) PUK).
  • πŸ“± The phone requires a Mi Account, but you don’t remember the data and recovery is impossible.
  • πŸ”§ After firmware or update, network support is lost (for example, does not work). 4G).

What to bring with you:

DocumentWhat do you need?Note
PassportConfirmation of identityNecessary for warranty service
Check of purchaseConfirmation of possessionIf the phone is bought from hand, a sales contract may be required.
SIM-mapDiagnostics of blockingThe original map that caused the problem
Phone box.Checking the serial numberNot necessarily, but it will speed up the process.

The cost of unlocking:

  • πŸ’° Replacement SIM-card with number saving: free (from the operator) or up to 500β‚½ (liaison).
  • πŸ’° Removing the Mi Account: 1,000 to 3000β‚½ (model).
  • πŸ’° Recovery IMEI After a failed firmware: from 1500β‚½.

πŸ’‘

Before visiting the service, back up your data via Settings β†’ About Phone β†’ Backup. After unlocking, you may need to reset your settings.

How to avoid re-blocking the number

To avoid the problem again, follow the following simple rules:

  • πŸ” Don't keep it. PIN-code SIM-Cards on your phone (such as notes) Use password managers like Bitwarden or KeePass.
  • πŸ“± Turn off the request. PIN-When you turn on your phone (unless you are afraid of losing your device): β†’ Lockdown and protection β†’ Locking settings SIM-map.
  • πŸ”„ Update regularly MIUI β€” In new versions, bugs with a network lock are fixed.
  • πŸ›‘οΈ Do not install custom firmware (such as LineageOS) without backup IMEI and NVRAM.

If you travel frequently, set up roaming in advance:

  1. Check the fare with the operator (some block the service). SIM-card when exceeding the traffic limit in roaming).
  2. Activate the option "International roaming" in your personal account.
  3. Save the operator support number in an international format (e.g. +7 999 123-45-67).

πŸ’‘

If the phone is locked after buying from hands, be sure to check it through the service IMEI.info – this will help to identify the link to someone else’s account or the status of β€œlost / stolen”.

FAQ: Frequent questions about unlocking a room in Xiaomi

Can I unlock it? SIM-card PUK-code?
No. PUK-If you lose it, contact the operator. Alternative methods (for example, through the engineering menu) work only when software failures, not when hardware locks. SIM-map.
The phone is writing "SIM-The card is blocked by the operator?
This means that the operator has temporarily suspended service (for example, due to non-payment or suspicious activity). Solution: Replenish the account (if blocked on balance). Call the operator's hotline and clarify the reason. SIM-Old card (issued more than 5 years ago), it could be blocked automatically - replace with a new one.
After unlocking the PUK, the phone asks for a new PIN. What to type?
You can: Invent a new one. PIN-code (4-8 digits) Leave the field empty (then) PIN-If you enter a new one, it will be turned off. PIN And forget it, the unlocking procedure. PUK I'll have to repeat.
Can I unlock a Xiaomi phone without a Mi Account?
Officially, no. But there are illegal ways (e.g., through exploits in MIUI or flashing) that: Violate Xiaomi's user agreement, can lead to loss of warranty. Often only work on older models (until 2020 release), and we recommend that you contact the service center - it is safer.
Why After Updating MIUI stopped working SIM-map?
This is a typical problem when updating "over the air" (OTA). Causes: failure in the module RIL (Radio Interface Layer), incompatibility of the new version of MIUI with your model, conflict with custom recovery (for example, TWRP). Solution: reset network settings (section 3) or roll back to the previous version of the firmware via Fastboot.