Protecting personal information in a modern smartphone comes first, and Xiaomi provides many tools to do so. SIM-However, for many users, the constant input of numbers becomes unnecessary inconvenience, especially if the phone is used exclusively for personal purposes and is physically protected from strangers.
Disabling this request does not reduce the level of protection of the device itself, since access to the system is still controlled by a screen unlock password, a fingerprint or a face scanner. In the MIUI operating system and the new HyperOS, this process is as simple as possible and takes only a few seconds, if you know where to look for the desired switch in the settings menu.
In this article, we will discuss in detail the algorithm of actions to remove the lock. SIM-maps, consider possible problems with the input PUK-You will receive comprehensive information on how to manage the security settings of your Redmi or POCO, to make the use of the gadget as comfortable as possible.
Why do I need a PIN code and whether it is worth turning it off?
A personal identification number is a digital password that is stored directly in memory. SIM-The main function of the card is to protect your phone number and the services associated with it in case of loss of the device or retrieval of the SIM. If an attacker steals the phone, he will not be able to insert your SIM card into his device and access the device. SMS-confirmation codes from banking applications.
On the other hand, for users who value every second and use a strong password on the lock screen, constant digit input may seem excessive.Switching off the PIN does not affect mobile Internet or voice communication, it is solely a measure of local security when starting a device.The decision to disconnect is worth taking, weighing the risks of physical theft of the SIM card against the convenience of daily use.
It is worth considering that modern Xiaomi smartphones often have a data encryption feature that can also request a password when downloading. It is important not to confuse these levels of protection: the password from the Mi Account account or unlock the screen protects files, and the PIN protects the phone number.
- 🔒 Protection against theft: without a PIN, your SIM card can be easily used on another phone to obtain access codes.
- ⚡ Startup speed: Disabling the code speeds up the process of turning on the phone, removing the extra input window.
- 📱 Convenience: You don’t need to remember an additional 4-digit code unless you wrote it in a secure location.
⚠️ Warning: Before disabling protection, make sure your phone is securely protected with a primary password or biometrics, otherwise, if you lose your device, an attacker will get full access to all your accounts through the security system. SMS.
Preparing for changes in security settings
Before you make changes to security settings, you need to make sure you know the current PIN. MIUI won't allow you to turn off protection or change your password unless you enter the correct current combination of numbers. Usually it's the default code from the operator (often 0000 or 1234), unless you've previously changed it, or your personal code.
If you enter the PIN three times incorrectly, SIM-The card will be blocked and the phone will request PUK-Personal Unblocking Key is a more serious unlock code, which is usually found on a plastic card issued when you buy a SIM card or in the personal account of the operator.
It is also recommended to check the battery power of the device.Although the process of changing the settings takes a couple of seconds, suddenly turning off the phone while working with system security parameters can sometimes lead to software failures in the communication module.>
- 🔋 Charge your smartphone to a minimum 30-40% confidently.
- 💳 Find a map with PUK-Just in case (it comes with a SIM card).
- 📶 Make sure that SIM-The card is active and defined by the system.
Step-by-step: disabling through settings
The interface of the MIUI shell and HyperOS may vary slightly depending on the Android version and regional firmware, but the logic of the menu remains the same. All the necessary settings are concentrated in the section responsible for passwords and security. Follow the algorithm to successfully deaktivirovat' zapros.
First, open the main app menu and find the Settings icon (cogs). At the top of the screen, there is often a search bar, which is the fastest way to find the desired item. Type the phrase "SIM" or "PIN" into the search, and the system will prompt you to go to the desired menu.
☑️ Algorithm of PIN-code deactivation
If you prefer manual search, go along the way: Settings → Passwords and security → Confidentiality SIM-Cards (in some versions, this item may be referred to simply as "Protection" SIM-"Maps" or inside the "System and Device" menu. Here you will see a list of installed SIM cards if there are two of them.
Click on the desired SIM card (for example, SIM You will see a switch that says "PIN request" or "Block" SIM-Click on it. The system immediately asks you to enter the current PIN. Once you enter the switch successfully, the switch will change color (usually gray), which means that the function will be disabled.
| Action. | Description | The result |
|---|---|---|
| PIN entry | Enter the current 4-8 digit code | Confirmation of access rights |
| Switcher | Tap to the tumbler "PIN request" | Activation of the input window |
| Shutdown | Change of status to "off" | The code request at start will disappear |
| Mistake. | Incorrect input 3 times | Blocking and requesting PUK |
⚠️ Note: If you forget the PIN code and lock the card, you will need to unlock it. PUK-After 10 failed attempts to enter PUK-code SIM-The card will burn down completely, and you will have to go to the communication salon for a new one.
Managing PIN and PUK codes in MIUI and HyperOS
In the SIM management menu, Xiaomi provides not only the ability to disable protection, but also tools to change the password.This is a useful feature if you want to install more complex code or if you suspect that your current code may have become known to an outsider.
When you change the code, the system will first request the old PIN, then ask you to enter a new one twice. It is recommended not to use obvious combinations like 1234 or date of birth, as they are easy to find, write the new code in a safe place, for example, in a password manager or notebook, which is not stored in the phone.