How to set a password to SIM-map Tele2 Xiaomi smartphones: full instructions with pictures

Data protection starts with basic things, such as installation. PIN-code SIM-If your Xiaomi smartphone falls into the wrong hands, an attacker will not only be able to call your contacts, but also gain access to your phone. SMS (including codes from banks, social networks and instant messengers. Tele2 By default, does not block the card with a password - this setting must be activated manually.

In this article you will find a step-by-step instruction taking into account the features of the firmware MIUI, Answers to frequent questions: What to do if you forget PIN, How to Reset Input Attempts and Why Tele2 request PUK-We tested the process on Redmi Note 12 models, POCO X5 Xiaomi 13T — instruction is universal for all devices of the brand based on Android 11-14.

Why it is important to put a password on SIM-map Tele2

No PIN-code SIM-map vulnerable to:

• 📱 Data theft: through SMS You can reset passwords from mail, social networks and banking applications.
• 💰 Fraud: Attackers transfer money from the account Tele2 other rooms (for example, through USSD-team).
• 🔄 Unauthorized tariff change: without a password, anyone can connect paid services.
• 📡 Traffic usage: If you have unlimited access, a thief can download movies or distribute the Internet through an access point.

According to statistics Tele2 In 2023, 68% of fraud cases SIM-The cards were made because of the absence of PIN-The operator does not compensate for the damages if the client does not provide basic protection, setting the password takes less than a minute, but saves from most risks.

⚠️ Note: If you have purchased SIM-map Tele2 With hands (for example, on Avito), the previous owner could leave his PIN. Be sure to drop it through PUK-code that is listed on the plastic card holder.

Preparation: What to Know Before Setting a Password

Before activating. PIN-code on Xiaomi, check it out:

Make sure that SIM-map Tele2 active (there is a network)

Find it. PUK-code (on a plastic holder or in a contract)

Charge your phone at least 20% (in case of locking)

Disable two-tier authentication in banks (temporarily)

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If you enter the wrong PIN 3 consecutive times, SIM-The card will be blocked and will require PUK-It's a code:

• 📄 On the plastic holder where it was SIM-map (in a cut-out window).
• 📑 In the contract or check when buying a card.
• 📧 In a letter from Tele2 (If you have registered online).

If the PUK is lost, it can only be restored through the official Tele2 salon with a passport. The operator does not issue the code over the phone or online!

• 🔢 Standard. PIN from Tele2 — 1234 or 0000, but it needs to be changed.
• 🔄 After 10 incorrect attempts to enter PUK SIM-The card is permanently blocked.
• 📵 If the phone's off, PIN will not be requested (blocking only works when switched on).

Yeah, I had to rebuild.|No, I always remember the code.|I don't know what it is. PUK|I'm off. PIN-->

Step-by-step: how to put a password on the SIM-card Tele2

The procedure is the same for all Xiaomi models, including Redmi, POCO and Mi.

1. Open the settings (cog icon on the desktop).
2. Go to Passwords and Security → SIM-card settings.
3. Choose yours. SIM-map Tele2 (if there are several).
4. Activate the SIM-card lock switch.
5. Enter the current PIN (by default 1234 or 0000).
6. Create a new code (from 4 to 8 digits) and confirm it.

If the Settings menu SIM-No maps available, try an alternative path:

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

On some firmware MIUI (For example, on Xiaomi. 12T) This paragraph may be called Protection SIM or PIN-If you don't find a section, search by settings (the magnifier icon at the top of the screen) and enter a request «PIN».

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If the phone asks PIN each time you turn on, but you want to disable the request – go back to the settings SIM-Cards and deactivate the Block option SIM-But it's going to reduce security!

What to do if you forgot PIN-code SIM-map Tele2

If you entered incorrectly PIN 3 times, you'll get a request PUK-In this case, the code:

1. Enter the 8-digit PUK (from a plastic holder or contract).
2. Think of a new PIN (from 4 to 8 digits).
3. Confirm the change.

If the PUK is also lost:

• 📍 Visit the salon. Tele2 Passport – the operator will issue a new code.
• 📞 Call the hotline 611 (from your number) or 8800 555 06 11 (from another phone), but PUK They won’t tell you by phone, only in the cabin!
• 🔄 If SIM-The card is permanently blocked (10 infidels) PUK), I'll have to buy a new one.

⚠️ Attention: Do not enter PUK After 10 wrong attempts SIM-map Tele2 It is irrevocably blocked, and even in the cabin it will not be unlocked - only a replacement.

Differences for different Xiaomi models: nuances of firmware

Depending on the MIUI version and the phone model, the interface may vary, and we've tested the process on several devices:

Older firmware (e.g. MIUI 12 and below) may not have a graphical interface to change the PIN.

1. Enter the dialer code: ##4636##.
2. Select Phone Information → Choose. SIM.
3. Press SIM Lock and enter the data.

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New Xiaomi models (2023-2026) the way to settings PIN standardized: Settings → Passwords and security → Settings SIM-If there is no menu, update the firmware to the latest version. MIUI.

Frequent Mistakes and How to Avoid Them

Xiaomi users often face the following problems:

• 🔄 «PIN Not accepted: Make sure you enter the code for the correct SIM-Check if there are two cards and check if the flight mode is on.
• 📵 «No request. PIN When turned on": Restart your phone - sometimes the system doesn't apply the settings right away.
• 🔢 «Forgot. PUK»: Don't try to guess. Tele2 passported.
• 🔒 «SIM-Card locked forever": You will have to buy a new one (cost) ~150 rubles, the number is saved).

If after installing the PIN, the phone stopped catching the network:

1. Reset the device.
2. Check if the modem modem is activated in the settings.
3. Update the operator settings: enter in the dial number ##4636## → Phone information → Update profile.

⚠️ Note: If you use two of these SIM-maps, for example, Tele2 + MTS, make sure that PIN It's on for the right slot. 1 commonly marked SIM 1, slot 2 — how SIM 2 or MicroSD/SIM.

FAQ: Answers to popular questions