Shutdown SIM-Xiaomiβs smartphone cards can be used in a variety of situations, from battery saving to privacy protection, but standard shutdown via notification panel or settings. MIUI It doesn't always give you the desired result -- many users find that the card stays active in the background, consumes traffic, or even receives calls. In this article, we'll look at all possible methods of complete deactivation, including hidden firmware functions and hardware solutions.
Feature of Xiaomi devices (including Redmi models, POCO Black Shark: Even after the software is disabled. SIM-The card can remain in standby mode for system services, such as time synchronization or push notifications. MIUI 12-14, and they highlighted those that are guaranteed to interrupt any interaction with the operator's network. If you need to not just temporarily disconnect communication, but completely block the card, read on.
1. Standard shutdown via MIUI settings
The most obvious, but not always effective, way is to use built-in tools, which is suitable for temporary shutdowns, but does not guarantee complete deactivation of the module.
To turn it off. SIM-standard-map:
- π± Open the Settings app (cog icon).
- π Go to section. SIM-Maps and mobile networks (or mobile networks on some models).
- π Choose the right one. SIM-card (if there are two) and move the slider On/Off to the position Off..
- β Confirm the action if the system requests a password or PIN-code.
β οΈ Note: On some firmware (especially in regional versions for India or China), this method only suspends outgoing calls, but does not block incoming calls. SMS To check if the card is disabled, try calling it from another phone, because if you hear the beeps, you're not interrupted.
π‘
If after the switch-off, the network icon on the notification panel disappeared, but the phone still discharges faster than usual, most likely the communication module works in the background. Try alternative methods from this article.
2. Disconnection through the "In the plane" mode with exceptions
In-plane mode blocks all wireless modules, but in MIUI There is a hidden function that allows you to selectively disable only SIM-This is more reliable than standard, because it completely interrupts communication with the operator.
Instructions:
- Activate the "In the plane" mode through the notification panel (aircraft icon).
- Then open the notification bar again and click on the "On Airplane Mode" label.
- In the menu that opens, uncheck the boxes opposite the Mobile Network (for both SIMs, if there are two), but leave Wi-Fi and Bluetooth enabled if you need them.
- Return to the home screen β communication with the operator will be completely disabled, but other wireless features will remain active.
This method works on all Xiaomi smartphones with MIUI 11 and newer, including the Redmi Note 10/11/12, POCO X3/X4/X5 and flagship series Xiaomi 12/13/14. The main advantage is simplicity and no need to enter PIN-code at each on/off.
Why is this method more reliable than the standard?
3. Hardware shutdown SIM-cards (tray extraction)
If the software methods fail, the most radical way is to physically extract the SIM-It's guaranteed to interrupt any interaction with the network, but it has its own nuances.
How to extract correctly SIM-map:
- π οΈ Turn off your smartphone (required! Removing the card on your device may damage your contacts).
- π Find a tray for SIM-cards - usually located on the upper or lateral face of the body.
- π Use a paper clip or special key (goes with your phone) to press the hole and push the tray out.
- π€ Get it out carefully. SIM-card(s) and make sure there is no dust or damage on the tray contacts.
- π Put the tray back in without SIM-cards and turn on the phone.
β οΈ Note: Some models (e.g. Xiaomi Mi 11 Ultra or Black Shark 5 Pro) have a tray that is combined with a cooling system. If the phone starts to overheat after the card is removed, check if the tray is inserted correctly. SIM-The cards will not work functions tied to the number (SMS-Authorization, mobile banking, etc.).
Never |1-2 times a year |Every month |Only when you change operator |I don't know where the tray is-->
4. Disconnection through the engineering menu (for advanced)
For users willing to dive into technical details, there is a way to disable SIM-This method requires caution, as incorrect actions can disrupt the network.
Step-by-step:
- Open the Phone app and type in the combination: ##4636## Some firmware may require a different combination, such as ##36446337## (to check the EMI version).
- In the menu that opens, select Phone Information (or Phone Information).
- Scroll down to the Set preferred network type block and select Disconnected for the desired network type. SIM-map.
- Go back and find the Turn off radio option β press it to fully deactivate the communication module.
β οΈ Note: After using the engineering menu, some functions (e.g, GPS or NFC) If you notice a crash, restart your phone or reset your network settings in the Settings section. β SIM-maps and mobile networks β Resetting network settings.
Make a backup copy of the data|Record the current network settings (screenshot)|Charge your phone at least 50 times%|Have it on hand PIN-code SIM-map-->
5. Deactivation through the developer settings
If the engineering menu seems too risky, you can use the developer settings that give you access to hidden communication options, which is suitable for users who have already activated the developer mode.
How to turn off SIM-map through the developer settings:
- Activate Developer Mode if it is not already enabled: go to Settings β About Phone and click on MIUI Version 7 times.
- Return to the main settings menu and open a new section for additional settings β For developers.
- Find the option to disable mobile data transmission (or Mobile data is always active) and deactivate it.
- Next, find USB Debugging β Disable USB permissions (this will prevent automatic network connection when connecting to a PC).
- Reboot the phone β SIM-The card will be disabled at the system level.
This is particularly useful for dual-SIM devices where you only need to turn off one card without affecting the other card, such as the POCO F4 GT or Redmi K50 Gaming, so you can only keep the working SIM active, completely deactivating the personal one.
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Developer settings allow you to turn off background activity SIM-But once you reset, some of the parameters can reset, and you have to reconfigure them.
6. Software Disconnection via ADB (for power users)
For those who are willing to use a computer, there is a way to disconnect. SIM-map ADB-Android Debug Bridge is the most reliable method, because changes are made at the system level, but it requires prior preparation.
Instructions:
- Install ADB and Fastboot Tools on PC.
- Enable USB debugging in the developer settings (see previous section).
- Connect the phone to your PC and type in the command line: Adb devices Make sure the device is defined.
- Run the command to shut down. SIM-cards (replace) sim1 on sim2, If you need to disable the second card: adb shell am broadcast -a android.intent.action.AIRPLANE_MODE --ez state true adb shell settings put global airplane_mode_on 1 adb shell svc radio disable
- Reboot your phone with the command: adb reboot
β οΈ Attention: After use ADB Some system applications (such as Mi Cloud or Security) may be bugged:
adb shell svc radio enableand restart the device.
The only way to completely disconnect SIM-kernel-level map - use ADB Or the engineering menu. Standard methods. MIUI Often leave the communication module active for system tasks.
Comparison of disconnection methods SIM-maps on Xiaomi
| Method | Difficulty | Efficiency | Reversibility | Suitable for |
|---|---|---|---|---|
| Standard shutdown in settings | β | β οΈ Partial | Yes. | Temporary shutdown |
| On-Air Mode with Exceptions | ββ | β Complete. | Yes. | Long-term shutdown without SIM removal |
| Extraction SIM-map | ββ | β Complete. | Yes. | Guaranteed shutdown |
| Engineering menu | βββ | β Complete. | Yeah (after rebooting) | Advanced users |
| ADB-team | ββββ | β Complete. | Yes (re-entry of commands required) | Developers, enthusiasts |