How to install PIN-code SIM-Map in Xiaomi Redmi phones: detailed instructions

Almost every owner of the smartphone Xiaomi Redmi is faced with the need to protect their SIM-- Installation of the unauthorized access card. PIN-Code is a basic but effective way to prevent attackers from using your number in the event of a phone being stolen or lost. Despite the seeming simplicity, many users face difficulties: they can not find the right settings, forget the standard settings. PIN from the operator or encounter errors in the input.

In this article, we will discuss all the ways of installation. PIN-code SIM-card in Xiaomi Redmi phones (relevant for Redmi Note models) 12/13, Redmi 10/11, POCO X5 And others, including solutions to typical problems, you'll learn how to turn on a request. PIN When you start, change the code to user, and what to do if the phone asks PUK-code after three wrong attempts.

Important: The procedure is the same for all versions of MIUI (12, 13, 14), but may vary slightly depending on the firmware. If you have custom firmware (for example, LineageOS), some menu items may be called differently.

Why should I set up PIN-code SIM-map?

Many users neglect this feature, considering it unnecessary. PIN-Code is the first barrier to protecting your phone number, which is why it's worth setting up:

  • πŸ”’ Protection against theft: no PIN-The thief will be able to use yours immediately. SIM-call-card, SMS or even intercepting accounts (through the SMS-code).
  • πŸ“± Locking in case of loss: if the phone is lost, the person found will not be able to use your phone SIM-card.
  • πŸ’³ Banking security: Many banks link transaction confirmation to a phone number. PIN-The code will make it harder for fraudsters to access your accounts.
  • πŸ”„ Reset to factory settings: if you sell a phone, PIN-The code will prevent you from using it. SIM-cardholder.

It is worth noting that PIN-code protects only SIM-For complete security, it is also recommended to adjust the pattern lock, fingerprint or unlock on the face.

⚠️ Attention: If you forget PIN-code and enter it incorrectly 3 times, SIM-The card is locked and you will need to unlock it. PUK-code (unique for each card) can be found in the operator's personal account or on the packaging SIM-map.

πŸ“Š You're using it. PIN-code SIM-map?
Yeah, always.
No, I don't see the point.
Only on the work phone.
I forgot how to turn it on.

Preparation: What to Know Before Installation PIN-code

Before you start setting up, make sure you have everything you need:

  • πŸ“± Xiaomi Redmi smartphone with installed SIM-All models supported by the Redmi Note 10/11/12, Redmi 9/10/11, POCO X3/X4/X5 etc.).

If you bought it. SIM-A long time ago, you don’t remember the standard card. PIN, You can recognize him:

  1. In the operator’s personal account (for example, MTS Personal Account, My Beeline, Tele2 or MegaFon).
  2. On the package. SIM-maps (if preserved).
  3. Calling in support of the operator (numbers: 0890 for MTS, 0611 for Beeline, etc.).

⚠️ If you are incorrect, then you will be incorrect. PIN-code 3 times, SIM-The card is locked and you will need to unlock it. PUK-Unlike the code. PIN, PUK-The code cannot be changed, it is strictly bound to the SIM-card and issued by the operator.

πŸ’‘

If you're afraid to forget PIN-Write it in a secure place (such as a password manager) or install a memorable but not obvious code (not 1234 or date of birth).

Step-by-step instructions: how to install PIN-code SIM-map

The setup process is the same for all Xiaomi Redmi models based on MIUI. Follow the instructions:

  1. Open Settings (the gear icon on the desktop or in the application menu).
  2. Scroll down and select a section. SIM-Maps and mobile networks (in some firmwares may be called Mobile Network or Dual Network) SIM-map).
  3. Press the right one. SIM-If you have two, choose the one you want to use. PIN).
  4. Slip on the block item SIM-cards (or Request) PIN-code).
  5. Activate the switch Lock SIM-cards (should turn blue).
  6. Enter the current one. PIN-code (standard from the operator or your previous code if it has already been installed).
  7. Press Ready or OK.

If you want to change PIN-code to your own, follow additional steps:

  1. In the same menu, click Change PIN-code.
  2. Enter the old PIN (current).
  3. Create and enter a new PIN (from 4 to 8 digits).
  4. Confirm the new PIN by re-entering.
  5. Press Save or OK.

Now every time you turn on your phone or reboot it's going to ask for a call. PIN-unlocker SIM-map.

Is a new PIN correctly entered when restarting?

Is the connection maintained after the PIN is entered?

Do you have errors of the type "SIM-card blocked"

Did you remember the new one? PIN Or they kept it in a safe place.-->

What to do if PIN-the code is not accepted or SIM-card blocked

Sometimes users have problems with installation or modification PIN-Let's look at typical situations and their solutions:

Problem.Possible causeDecision
The phone does not accept standard PIN (0000, 1111)The operator changed the standard PIN or SIM-cardCheck the PIN in the operator’s personal account or call in support
After entering, the PIN writes β€œError” or β€œIncorrect code”Caps Lock or incorrect keyboard layout enabledCheck that you enter numbers, not letters. Turn off Caps Lock.
SIM-card is blocked (requires) PUK)Three Mistakes of PIN InputEnter. PUK-code (indicated on the package) SIM or in the operator's personal office)
No item "Blocking SIM-card" in the settingsInstalled custom firmware or SIM-card is not recognizedCheck the SIM on another phone or reflash the device

If SIM-The card is blocked and requires PUK-code, perform the following actions:

  1. Find it. PUK-code (on packaging) SIM-cards or in the operator's personal account).
  2. Enter it in the appropriate field on the lock screen.
  3. After unlocking the system will offer to install a new PIN-code.
  4. Come up with and confirm a new code.

⚠️ Note: If you enter incorrectly 10 times PUK-code, SIM-The card will be permanently locked and will have to be replaced by the operator!

What to do if you lose PUK-code?
If you've lost PUK-code and can not restore it, the only way out is to contact the communication salon of your operator with a passport. SIM-The card will be replaced with a new one (usually free or for a nominal fee), your phone number and fare will be retained, but all saved on the card will be replaced by a new one. SIM contact SMS They will be lost (unless a backup is made).

How to disable the request PIN-code SIM-mapping in Xiaomi Redmi

If you decide to remove the protection PIN-For example, if you are a code (temporarily), it is easy to do so:

  1. Go to Settings. β†’ SIM-maps and mobile networks.
  2. Choose the right one. SIM-map.
  3. Press the SIM-card lock.
  4. Turn off the switch (should turn grey).
  5. Enter the current one. PIN-proof-code.
  6. Press OK.

After that, the phone will stop asking. PIN But remember, turning off the protection reduces your security. SIM-map.

If you plan to sell or transfer your phone to another person, it is recommended not to turn off the phone. PIN, and instead extract SIM-card or reset phone to factory settings (via Settings) β†’ The phone. β†’ Resetting settings).

Additional security settings for SIM-maps in Xiaomi

Besides the standard PIN-In the smartphone Xiaomi Redmi available additional security features:

  • πŸ” Network Blocking: Some operators support blocking network access PIN2 (This protects against changing network settings (e.g., call forwarding).
  • πŸ“΅ Banning outgoing calls: you can limit calls to paid numbers through operator settings.
  • πŸ”„ Dual authentication: some banks and services (for example, Sberbank Online) allow you to link confirmation of transactions not only to the Internet. SMS, But also to push notifications.

To configure PIN2 (if your operator supports this feature):

  1. Go to Settings. β†’ SIM-maps and mobile networks β†’ Settings SIM-map.
  2. Select Network Lock (PIN2).
  3. Enable the function and enter the code (may be PIN1-like or different by default).

⚠️ Attention: Function PIN2 Not all operators, if you don't have one on the menu, SIM-The card does not support this option.

πŸ’‘

Even if you turn off the request. PIN-When you turn on the phone, the phone itself SIM-card will remain protected. PIN You will need it when you install it in another phone or after retrieving / inserting it back.

Frequent questions and problems with PIN-coded for Xiaomi Redmi

We have collected answers to the most common user questions:

πŸ”Ή Can we determine PIN-code SIM-map without standard code?
No, you always need to enter the current PIN (standard or previously installed) to activate the lock. If you don't know it, contact the operator.
πŸ”Ή What to do if after installation PIN-code missing network signal?
Reset the phone. If the problem persists, check if it's entered correctly. PIN. Maybe, SIM-The card is blocked – try entering PUK.
πŸ”Ή How to drop PIN-code, if you forgot?
You can’t reset a PIN without a PUK. If you forget the code, type it incorrectly 3 times to lock the SIM, then unlock it with a PUK and install a new PIN.
πŸ”Ή Does it work? PIN-code if the phone is unlocked by a fingerprint?
Yes, PIN-code SIM-The card and the unlocking of the phone are different levels of protection, even if the phone is unlocked biometrically, SIM-The card will remain locked until input. PIN.
πŸ”Ή Can we put different PIN-double-code SIM-maps in Xiaomi Redmi?
Yes, for everyone. SIM-maps are set up by your PIN-The code is independent. You can only turn on one or both of them.

If your question is not covered in this section, check your Xiaomi Redmi model settings or contact Xiaomi via the official website.

Conclusion: Whether to install PIN-code SIM-map?

Installation PIN-code SIM-The Xiaomi Redmi card is a simple but effective way to improve the security of your phone number, and although many users neglect this feature, it can save you from serious problems in the event of theft or loss of your device.

Main findings:

  • πŸ”Ή PIN-code SIM-map, not the phone.
  • πŸ”Ή Standard. PIN You can find out the operator or on the package. SIM.
  • πŸ”Ή After 3 wrong attempts, you will need to PUK-code (loss of code leads to blocking) SIM).
  • πŸ”Ή The setup takes less than a minute and does not require special knowledge.

If you haven't already defended yours. SIM-Map, do it right now - it will take less time than reading this article! and if you have any questions about setting up Xiaomi Redmi, check out our other guides on security and optimizing the performance of the smartphone.