How to change your password SIM-Maps on Xiaomi phone: instructions for all models

Forgotten. PIN-code SIM-Cards or want to set a more secure password? on Xiaomi smartphones (including the Redmi line, POCO and Mi) shift PIN-It takes less than a minute to code, but many users are faced with errors due to ignorance of the nuances of the code. MIUI. In this article, we will discuss all ways to change the password. SIM-Cards – from the standard method through settings to bypassing locking if you forget the current one PIN.

It is important to understand that PIN-The code does not protect the phone itself. SIM-If you enter it incorrectly 3 times in a row, the card will be locked, and you will need to unlock it. PUK-code (unique for each of them) SIM). We will tell you how to avoid this situation and what to do if it has already occurred.

Why do we change? PIN-code SIM-maps on Xiaomi

Many users disable the request PIN-It's a code that turns on the phone, which is considered a formality, but there are good reasons to update the password regularly:

• 🔒 Protection against theft: no PIN-The attacker will be able to use your SIM-card in another device for calling or SMS (For example, to confirm payments).
• 📱 Compatibility with MIUI: Some features (such as Second Space or Child Mode) require active use. SIM-map PIN-protection.
• 🔄 Factory reset: If you sell a phone, the new owner won’t be able to use your phone SIM-map PIN.
• 🚨 Data breach: standard PIN-codes (0000, 1234) are easily selected by scammers for SIM-swapping attacks.

According to Kaspersky research, in 2023, one in five cases of bank card fraud was associated with compromise. SIM-Change of standard maps. PIN-A code on a complex (e.g., 7492 instead of 1111) reduces this risk by 87%.

Preparation: What to Know Before Shifting PIN-code

Before you start changing your password, check out a few key points:

1. Current PIN-Code: If you forget it, unlock it first SIM assisted PUK (guideline).
2. Type SIM-Maps: Xiaomi with Dual Support SIM (For example, the Redmi Note 12 Pro+ or POCO X5 Pro) the password changes separately for each card.
3. MIUI version: In firmware older than MIUI 12, the path to SIM settings may differ (see table below).
4. Telecom operator: some operators (e.g. Tele2) block the change PIN via the phone menu, you will need to USSD-team.

⚠️ Note: if your Xiaomi is running Android One (e.g. Mi) A3), The way to settings will be like on “pure” Android: Settings → Security → Settings SIM-map.

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

Follow this algorithm to change your password without errors:

1. Open the settings: Taip by icon ⚙️ Settings on the main screen or in the application menu.
2. Go to section. SIM-maps: For MIUI 14+: SIM-maps and mobile networks → select the right one SIM (if there are several of them. MIUI 12–13: Passwords and security → Settings SIM-map.

Select the option "Change PIN"

Enter the old and new PIN

• The new password should consist of 4 digits (from 0 to 9).
• Do not use repeated combinations (1111, 1234, 0000).
• Confirm the changes: press OK or Save.
• Enter. PUK: On the lock screen: 1. Enter the 8-digit PUK-2. Enter the new code. PIN (2 times). 3. Press "OK".
• If PUK mis-entered 10 times, SIM-The card is irretrievably blocked and must be replaced in the operator’s cabin.

⚠️ Warning: Never keep it. PUK-If the device is stolen, the attacker can unlock the code in Contacts or Messages on the phone. SIM and access your accounts.

Features for different Xiaomi models

Despite the general logic MIUI, Some models have unique nuances when working with SIM-map:

• 📱 Xiaomi 13/13 Pro: Supports dynamic shifting PIN through settings → Google → Managing a Google Account → Security → Settings SIM-Cards (eSIM only).
• 📱 Redmi Note 11/12: shift PIN False Network Error Notice – Ignore It and Reboot Your Phone.
• 📱 POCO F4/F5: There is no separate section for these models SIM-maps – use the search by settings (icon) 🔍 top and enter the request "PIN".
• 📱 Xiaomi Civi 2/3: activated with Dual SIM + MicroSD shift PIN It is possible only for the main SIM (slot 1).

On root-righted devices (for example, after unlocking the bootloader) PIN-The code can be changed through the engineering menu:

1. Open the phone app.


2. Enter ##4636##.




3. Go to "Phone Information" → "Network Selection".




4.Slip the operator name and hold for 5 seconds – the hidden SIM menu will open.




5. Select "Change PIN."

⚠️ Warning: Using an engineering menu on unlocked devices can lead to a reset IMEI. On Xiaomi MIUI Globally, this method is not stable.

Frequent mistakes and their solutions

On shifts. PIN-Users often face the following problems:

If after all the manipulations the phone still does not see the network, check:

• 🔌 Is it inserted correctly? SIM-map (on Xiaomi with a hybrid slot under nanoSIM) + MicroSD card is easy to insert curve).
• 📶 Is the Regime on? 4G/5G In Settings → SIM-maps and networks → Preferred type of network.
• 🔄 Is modem modem activated (disables mobile network for other tasks).

💡

After the shift PIN phone stopped seeing SIM-If you try to remove the card, you try to erase the contacts, and then you put them back in, 60 percent of the time, it solves the problem without going to the service.

Security: How to come up with a reliable PIN-code

Weak. PIN-code is like an open window for fraudsters. Follow these rules when choosing a new password:

• 🚫 Avoid: Repeated digits (1111, 2222). Sequences (1234, 4321, 2468). Date of birth (1985, 2003).
• ✅ Use: Last 4 digits of the phone number (but not the phone number itself) SIM!). Odd number combinations (3759, 1793) Passwords related to hobbies (e.g., 5832 - the first digits of a favorite football player's number).

To generate a reliable PIN, you can use the Mi Security app (pre-installed on all Xiaomi):

1. Open Mi Security → Tools → Password Generator.
2. Select the length of 4 characters and the type "Numbers only".
3. Copy the generated code and use it to SIM-map.

Don't keep it. PIN-code:

• 📇 Contacts under the name "Mine" PIN".
• 📝 Passwordless notes.
• ☁️ Cloud services (Mi Cloud, Google Drive) without encryption.

💡

If you're afraid of forgetting your PIN, write it down on paper and store it in your wallet next to your credit card, and the likelihood of your phone and wallet being stolen at the same time is extremely low.

FAQ: Answers to Frequent Questions