Shutdown SIM-Xiaomi smartphones can be used in a variety of situations, from saving battery power to temporarily switching to another operator, but not all users know that there are several ways to deactivate, from software to disconnect through the menu to physically remove the tray. It is important to understand that each method has its own nuances and consequences: for example, some applications (banking, instant messengers) may stop working without active application. SIM.
In this article, we will discuss all the current ways to disconnect. SIM-cards on Xiaomi, Redmi and POCO, including hidden functions MIUI, USSD-We'll focus on potential risks, from network loss to device lockdown when you're not doing the right thing. If you're planning to temporarily deactivate the card or completely remove it from the system, here's a step-by-step guide to the firmware. MIUI 12–14.
🔹 Note: Instructions are universal for most models, but on some devices (e.g. Xiaomi) 12T Pro or Redmi Note 11 Pro+) the location of menu items may differ slightly due to the shell customization.
1.Switch off. SIM-maps through settings MIUI
The safest and most recommended way is to deactivate the card through the system menu, which requires no physical intervention and is reversible: you can activate the SIM again at any time, and is suitable for all devices on MIUI, including the POCO F4, Redmi 10 and Xiaomi 13 Lite.
To turn it off SIM-map:
- Open the Settings app (the gear icon on the home screen).
- Go to section. SIM-maps and mobile networks (on some models - Mobile network).
- Choose. SIM-The card you want to disable (if there are two, there will be a list of the cards you want to disable). SIM 1 and SIM 2).
- Move the slider Include SIM-map off.
🔹 What happens after the shutdown:
- 📵 The card will stop catching the network, but will remain in the slot.
- 📞 Phone numbers will not be available for calls/SMS.
- 🌐 Mobile Internet (if you have been on this site) SIM) shut down.
- 🔄 When restarting the device, the settings will remain.
☑️ Preparation for shutdown SIM via settings
⚠️ Note: If you are using two-factor authentication (SMS-codes) for login services, disconnection SIM You can get your authorization back to your email or backup number.
2. Physical extraction SIM-maps: when necessary
Removal of the tray with SIM-The card is a radical, but sometimes the only way to remove the card completely from the system:
- 🔄 You change the operator and want to add a new one. SIM.
- 🛡️ The card is damaged or the device does not recognize it.
- 🔋 You need to save battery power (physically remote card does not consume energy).
🔧 Removal instructions:
- Turn off your smartphone (recommended, but not required).
- Find a tray for SIM-maps – usually located on the upper or lateral face of the device.
- Insert a paperclip (or a special key from the kit) into the tray hole and press before clicking.
- Take the tray out carefully, remove it. SIM-card and insert it back (empty or with another card).
⚠️ Note: On some Xiaomi models (such as Black Shark 5 or Mix Fold 2), the tray is combined with a microSD slot. When extracted, do not lose the O-ring - without it, the card can dangle or make poor contact.
What if the tray is jammed?
Deactivation SIM assisted USSD-team
A little-known way to disable the card through USSD-This method only works if you have operator codes. SIM-The card is active and connected to the network, suitable for temporary locking (for example, if you lose your phone) or if you want to disable the card remotely without having access to the device.
📱 USSD-teams for popular operators:
| Operator. | Lockdown team | Unlocking command |
|---|---|---|
| MTS | *111*11*2# | *111*11*1# |
| Beeline | *110*11*2# | *110*11*1# |
| MegaFon | *105*11*2# | *105*11*1# |
| Tele2. | *155*1# | *155*0# |
🔹 How it works:
- Open the Phone app and go to the Set tab.
- Enter. USSD-command for your operator and press the call button.
- Follow voice or text instructions (PIN may be required).
⚠️ Attention: After completing the command SIM-The card will be locked at the operator level. To reactivate you will need to contact the communication salon or use the device. USSD-Unlock command. This is not a good method if you plan to use the card later on in another device, and you have to unlock it again.
4. Disable mobile data transmission without deactivating the SIM
If you only need to turn off mobile internet but keep your card active for calls and SMS, do the following:
- Go to Settings. → SIM-maps and mobile networks.
- Choose the right one. SIM-map.
- Turn off the mobile data slider.
- (Optional) In the Access Point (APN) section, delete or disable the APN profile.
🔹 Why do you need it:
- 📉 Saving traffic (if you have a limited rate).
- 🔋 Increased battery life (module) 4G/5G consumes).
- 🛡️ Protection against unauthorized access to the Internet through a mobile network.
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If you frequently switch between Wi-Fi and mobile internet, add the Mobile Data widget to the home screen. To do this, press the blank space on the screen → Widgets → find Mobile Data and drag it to a convenient place.
5. Network settings reset: a last resort
If SIM-The card is unstable (the network is permanently lost, operators are not determined), you can reset the network settings, this will delete all stored connection parameters, including settings. APN, Wi-Fi passwords and associated Bluetooth devices.
🔧 How to Reset Network Settings:
- Open the Settings. → The phone.
- Select Settings Reset (or Backup and Reset on older versions of MIUI).
- Tap Network Reset.
- Confirm the action by entering the unlock password (if required).
⚠️ Note: After the reset, you will have to reset:
- 🔄 Set up a Wi-Fi connection.
- 📱 Enter parameters APN Mobile Internet (usually automatically configured).
- 🎧 Connect Bluetooth headsets and other devices.
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Network reset does not delete data from the device (photos, apps, contacts), but can solve the problem of determining the data. SIM-Cards if they are caused by software failures.
6. Features of SIM disabling on devices with eSIM
Xiaomi smartphones of the latest generations (for example, Xiaomi 13 Pro or Redmi) K60) Support virtualization SIM-The process of disabling them is different from physical cards.
📱 How to disable eSIM:
- Go to Settings. → SIM-maps and mobile networks → eSIM.
- Select the eSIM profile you want to deactivate.
- Click Remove or Disable (depending on the version of MIUI).
- Confirm the action.
🔹 Important nuances:
- 🔄 Remote eSIM profile can only be restored via operator.
- 📱 Multiple eSIM profiles can be stored on a single device, but only one can be active.
- 🌍 Not all carriers support eSIM – check the activation option in advance.
⚠️ Note: When you reset your phone to factory settings, all eSIM profiles will be deleted. QR-activation codes or data for operator recovery.
7. Frequent mistakes and how to avoid them
When disconnected SIM-And these are the common problems that people often face in their maps, and here are the common problems and the ways that they can be solved:
🚨 Problem 1: After extraction SIM-The card card does not see the second card.
- 🔹 Reason: The tray is installed incorrectly or the contacts are contaminated.
- 🔹 Solution: Carefully remove the tray, wipe the contacts SIM-cards and slots with a dry napkin, then insert back.
🚨 Problem 2: USSD-The team fails, makes a mistake.
- 🔹 Reason: SIM-The card is blocked by the operator or does not support USSD-service.
- 🔹 Solution: Check balance (possibly not enough funds) or contact operator support.
🚨 Problem 3: After the shutdown SIM In the settings, it still consumes the battery.
- 🔹 Cause: Background processes MIUI They can scan the network even for a map that is disabled.
- 🔹 Solution: Turn on Flight Mode for 10 seconds, then turn off - this will reset network processes.
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If after the shutdown SIM-The phone's slowed down, restart it. MIUI Continue to use resources to search for the network.