How to set a PIN code on SIM-Map in Xiaomi Redmi smartphones: from Redmi 9 to Redmi Note 13

Privacy protection is not a whim, it's a necessity, and one of the basic but effective ways to protect your data on a smartphone is to install a PIN on your smartphone. SIM-This is a four-digit password that is requested every time you turn on your phone or reboot it. SIM Owners of Xiaomi Redmi (be it budget models like Redmi) 10A The Redmi Note 12 Pro is the flagship+) Often faced with the question: how to configure this code to avoid losing access to the network?

In this article, we will analyze not only the standard way to install a PIN code through settings, but also the nuances for different versions. MIUI (12 to 14), and what to do if you forget the combination. SIM When you repeatedly enter the wrong code, it's one of the most common problems users have, if you've never set up a PIN or want to upgrade it to a new one. SIM, Here you will find answers to all questions.

It is worth noting that the PIN code SIM-The first one protects the operator's card (e.g. MTS, Beeline, Tele2) and the second one accesses the smartphone interface, and even if an attacker resets the phone to factory settings, without a PIN, he will not be able to use your number.

Why do you need a PIN code on SIM-mapping in Xiaomi Redmi

Many users neglect to install a PIN code as a formality, but there are several good reasons to include this protection:

• 🔒 If the phone falls into the wrong hands, the attacker will not be able to call, send SMS or use mobile Internet without entering a PIN code.
• 📱 Data safety. even when resetting Xiaomi Redmi to factory settings SIM-the card will remain blocked.
• 💳 Payment security: Many banking services are tied to a phone number, and a PIN will make it harder for unauthorized access to them.
• 🔄 Protection when replacing the phone. SIM In another device, it will remain locked until the correct code is entered.

It's important to understand that a PIN is not a panacea. A skilled attacker can extract a PIN. SIM-Use it on a different device using PUK-However, for most household situations (loss of a phone, theft, temporary transfer of the device to another person), this level of protection is sufficient.

Another plus: PIN code doesn't affect smartphone performance, unlike data encryption or biometric authentication, it doesn't load the processor or drain the battery, it's purely a software lock at the operator level.

⚠️ Note: If you enter the wrong PIN code 3 times in a row, SIM-The card will be blocked and will require input PUK-You can recognize it in the operator's personal office or on the package from the SIM. No PUK It is impossible to unlock the card - you will have to contact the communication salon for a new one.

How to find out if a PIN code is installed on SIM-mapping in Xiaomi Redmi

Before you set up the protection, check if the PIN is activated by default. Some operators (for example, MegaFon or Yota) release SIM-cards with a pre-set code (usually only 0000 or 1234) to check this out:

1. Turn off the Xiaomi Redmi smartphone.
2. Turn it on again.
3. If after booting the system there is a request to enter a PIN code – the protection is already active.

If the phone boots without asking for a password, the PIN is disabled, in which case you can either leave it as it is or set your own combination (more on this in the next section).

You can also check the status of the PIN code through the settings:

Settings → SIM- Maps and Mobile Networks → [Select SIM] → Lock SIM- Cards

If the switch is Locked SIM-The card is in the off position, the protection is not active.

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If you buy a used Xiaomi Redmi, be sure to check the PIN status. the previous owner could activate it, and without the right combination. SIM-The card will be blocked.

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

The PIN activation process is the same for most Xiaomi Redmi models, regardless of the version. MIUI. But there may be some minor differences in the layout of menu items:

Step 1. Open Settings (the gear icon on the home screen or in the app menu).

Step 2. Go to section SIM-Maps and mobile networks. Some firmware may call it Mobile Network or Dual Network. SIM mobile.

Step 3. Choose SIM-The card you want to install a PIN for (if you have two SIMs) click on its name (for example, click on the name of the card, SIM 1 (MTS)).

Step 4. Find the Locking Point SIM-The system will prompt you to enter the current PIN (if it was installed earlier) or create a new one.

Step 5: Create and type a four-digit code (e.g. 4826) Avoid obvious combinations like 1111 or 1234, which are easy to match. Repeat the code for confirmation.

Step 6. Press OK or Ready. Now, every time you turn on your phone, you'll be asked for a PIN.

Remember or write code in a safe place

Check that PUK-code is in the documents from SIM

Make sure your phone is charged (in case of locking)

Sync your contacts with your Mi Account (if you have a SIM Blocked, contacts remain)-->

If you have Xiaomi Redmi with MIUI 14 and above, the interface may be slightly different. For example, in some firmware versions, the lock clause SIM-The maps are hidden deeper:

Settings → PaSSWORD and security → Settings SIM- Card → Lock SIM

⚠️ Note: After activation of the PIN code do not remove SIM-card from your phone until you make sure the code is working correctly.In rare cases, operators may block the card at the first incorrect input (especially at corporate rates).

How to change or delete a PIN code on Xiaomi Redmi

If you want to change your old PIN to a new one or turn off the protection altogether, do so using the same settings. Importantly, to change the code, you need to enter the current PIN. If you forget it, first unlock it. SIM assisted PUK-code (about this in the next section).

To change the PIN code:

1. Go to Settings. → SIM-maps and mobile networks → [Yours. SIM] → Lockdown SIM-map.
2. Click Change PIN code SIM-map.
3. Enter the current code, then a new code (twice for confirmation).
4. Save the changes.

To disable the PIN:

1. Go to the same section of the lock. SIM-map.
2. Turn off the switch.
3. Enter the current PIN code for confirmation.

Once the protection is turned off, the phone will stop asking for the code when it boots, but even if the PIN is disabled in the settings, it will stop asking for the code when it boots. SIM-The card remains operator-level secure, which means that when inserted into another phone, it may require you to enter the code.

What to do if you forget the PIN code SIM-Xiaomi Redmi card

It's a common situation where users forget their PIN, and fortunately, it can be solved without going to the phone, if you have one. PUK-This eight-digit code is usually shown on the plastic holder to which the attachment was attached. SIM-card when you buy it, if you don't have a holder, PUK find:

• 📄 In the contract for the provision of communication services (if saved).
• 🌐 In the personal account on the operator's website (section "My own" SIM-maps” or “service management").
• 📱 In the mobile application of the operator (for example, "My MTS", "Beeline Pro", "Tele2").
• 📞 By telephone hotline (passport required for identification).

Instructions for unlocking:

1. After three false attempts to enter a PIN code, the phone will show a message SIM-- The card is locked. PUK-code.
2. Enter the 8-digit PUK (for example, 12345678).
3. The system will suggest you set a new PIN. Think of it and type it twice.
4. Press OK. SIM-card unlocked.

If you enter the wrong one 10 times in a row PUK, SIM-The card will be permanently blocked, in which case it cannot be restored, you will have to buy a new one from the operator's cabin (usually free of charge while saving the number).

Features of setting up a PIN code on different models Xiaomi Redmi

Although the PIN installation algorithm is generally the same for all Xiaomi smartphones, there are nuances for specific lines and versions. MIUI. Let’s look at the most common cases:

1. Xiaomi Redmi Note 10/11/12 (MIUI 12.5–14):

On these models, the path to PIN code settings may look like this:

Settings → PaSSWORD and security → Privacy → Settings SIM- map

There is also the option to Hide notifications on the lock screen, which works independently of the PIN code. SIM.

2. Xiaomi Redmi 9/9A/9C (MIUI 12):

On budget models section SIM-maps and mobile networks may not be on the main menu, in which case, use the settings search (the magnifying glass icon at the top of the screen) and enter the PIN request. SIM.

3. Xiaomi Redmi K50 / POCO F4 (firmware):

On devices with global versions MIUI (For example, for the European market, the names of menu items can be in English:

Settings → SIM cards & mobile networks → [SIM name] → Lock SIM card

4. Xiaomi Redmi with two SIM-map:

If you have a smartphone with Dual support SIM (For example, the Redmi Note 13 Pro+), You'll have to set up the PIN for each card separately, and note that operators may have different locking rules. SIM Blocked after 3 wrong attempts, and the second after 5.

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In the models with MIUI 13 and higher when resetting the phone to the factory PIN settings SIM-It's not resetting. It's done for added security.

Frequent Mistakes and How to Avoid Them

When setting up a PIN, Xiaomi Redmi users often face typical problems, and consider the most common ones and how to solve them:

1.The phone does not request a PIN code after restarting

Reasons:

• 🔄 PIN code is disabled in settings (check the section Locking) SIM-map).
• 📱 SIM-card is defective or poorly inserted into the tray.
• 🔧 There is a bug in the firmware (relevant to customized ones). ROM).

Solution: Reinstall SIM-Map, update it. MIUI Up to the latest version or reset your network settings (Settings) → SIM-map → Resetting network settings).

2. After entering the PIN code, an error appears "SIM-card blocked"

That means you entered the wrong code 3 times in a row. PUK (see section above. PUK It's also been incorrectly entered 10 times, SIM need to be replaced.

3. You can't change the PIN code - the system writes "Incorrect current code"

Possible causes:

• 🔢 You are actually entering the wrong current PIN.
• 📵 SIM-The card does not support code change (rarely, but it happens with virtual operators).
• 🛠️ Failure of the module SIM (Helps reset or reset settings).

4.PIN resets after update MIUI

This is a known problem with some firmware versions.

• Before updating, write down the current PIN.
• Use official firmware (without custom modifications).
• After the update, check the lock status in the settings.

⚠️ Note: If you use Xiaomi Redmi with unofficial firmware (such as LineageOS or Pixel Experience), the PIN settings may not work correctly. MIUI or clarify the nuances on the forum of firmware developers.

FAQ: Answers to popular questions