Xiaomi smartphones are some of the most popular devices on the market, but even experienced users sometimes face problems when activating. SIM-Maybe you just bought a new Redmi Note 13 or something. POCO X6 Pro, put a SIM in, but the phone doesn't see it, or after the update. MIUI The mobile network suddenly disappeared. In this article, we'll look at all the ways that you can turn on the mobile network. SIM-Maps on Xiaomi phones, from basic settings to solving non-standard errors.
It is important to understand that the activation process may differ depending on the device model, firmware version. MIUI We'll look at the universal methods that work on most devices, from low-end Redmi. A2 Xiaomi 14 Ultra, if your phone doesn't recognize SIM-Do not rush to carry it to the service center: in 90% of cases, the problem can be solved independently in 5-10 minutes.
Preparation: verification SIM-card-slot
Before setting up your phone, make sure the problem isnβt the one SIM-A card or a slot. That's what you need to do:
- π± Check compatibility. Make sure yours is yours. SIM-The card supports the networks that your Xiaomi works, for example, if the phone only supports the network. 4G (LTE), And the SIM is set to 2G, The connection won't work.
- π Look at the map. It should be free of scratches, chips or dirt. If the contacts are dimmed, wipe them gently with a stripe (without pressing!).
- π The right size. Modern Xiaomi supports nano-SIM (the smallest format). If you have a micro-SIM or a standard one, it needs to be trimmed or replaced in the cabin of the operator.
- π Reboot. Sometimes it's enough to take it out. SIM-Map, restart the phone and insert it back.
If you use two of them SIM-cards, check if they are properly installed in the tray. on most Xiaomi models slot SIM1 supportive 4G/5G, SIM2 can only work in 2G/3G (It depends on the model.
β οΈ Attention: Don't insert SIM-card with sharp objects (needle, knife) - this can damage the slot contacts.
What to do if the tray SIM-card jammed?
Basic setting SIM-card MIUI
If SIM-The card is physically good and correctly installed, but the phone does not see it, first of all check the settings. MIUI. Here's the step-by-step instruction:
- Open the Settings app (the gear icon on the home screen).
- Go to section. SIM-Maps and mobile networks (or Mobile Network on older versions) MIUI).
- Click on your name. SIM-maps, for example, MTS or SIM1).
- Make sure the switch is switched on SIM-The card is active (the slider should be blue).
- Check the network type setting β select 4G (preferably or Auto.
If this menu SIM-The card doesn't show at all, the problem may be in the hardware (slot damaged) or firmware. Before visiting the service, try resetting the network settings:
Settings β About phone β Resetting settings β Resetting network settingsThis will delete stored Wi-Fi passwords and mobile network settings, but will not affect personal data.
Make sure that SIM-map included in the settings|Check the type of network (4G/Automobile)|Reset network settings if the card is not determined|Reboot your phone after the changes-->
Solving recognition problems SIM-map
If the phone can't see SIM-Even after basic settings, the causes can vary from software failures to hardware failures.
1. SIM-map is defined, but no network
If the operator name is displayed in the settings but the network indicator is missing (or shows No Service), follow these steps:
- πΆ Manual network search. Go to Settings β SIM-maps and mobile networks β [Yours. SIM] β Network Search and Select Operator Manually.
- π Re-register, turn on Flight Mode for 30 seconds, then turn it off, and that force you to update your network login.
- π± Update the operator profile. Some operators (such as MTS or Beeline) require a configuration update. USSD-command: *123# or check the current command on your operator's website.
2.The phone can't see. SIM-map
If in the settings SIM-The map is not displayed, the problem may be in:
- π Take the tray out carefully and check if the contacts are bent. SIM-If necessary, clean them with alcohol.
- π€ Firmware failure. MIUI Up to the latest version in Settings β The phone. β Updating the system.
- π οΈ If none of these things worked, maybe the slot or the antenna module is damaged, and then you need to have a diagnostic at the service center.
MTS|Beeline|MegaFon|Tele2.|Yota|Other-->
3. Problems with two SIM-map
On devices with Dual support SIM (For example, the Redmi Note 12 Pro+ or POCO F5) There may be conflicts between cards. Here's how to fix them:
| Problem. | Reason. | Decision |
|---|---|---|
| One. SIM It's working, the other one's not. | Slot SIM2 can only support 2G/3G | Change the maps or check the network type settings for each SIM |
| Mobile Internet is constantly switching | Automatic Data Switching Option Enabled | Turn it off in Settings. β SIM-map β Data switching |
| Calls only go through one. SIM | Challenge priorities not set | Get the basics. SIM for calls to Settings β SIM-map β Priority SIM call-in |
β οΈ Note: Some Xiaomi models (e.g. Redmi) 10C) slot SIM2 It's combined with a microSD card connector. You can't use two. SIM-card and memory card simultaneously!
Features of activation SIM New Xiaomi models (2023β2026)
Xiaomi smartphones released in the last two years (e.g. Xiaomi) 13T, Redmi Note 13 Pro, POCO X6), There are a number of features in working with SIM-map:
- π‘ Support 5G. The fifth generation network is required 5G-ready SIM-map (regular) 4G-The SIM operator can replace it for free. 5G in your region.
- π Some models (such as Xiaomi 14) support virtualization. SIM-eSIM: To activate it, go to Settings β SIM-map β Add eSIM and scan it. QR-operator.
- π Hybrid slots. In budget models (e.g. Redmi) A3) The second slot may be hybrid: or SIM2, Or microSD. Priority is given to the microSD. SIM-map, if it is set.
If you use eSIM, note that not all operators in Russia support this technology. SIM available:
- MTS (for individuals and businesses),
- MegaFon (for corporate clients only)
- Tele2 (in test mode).
To activate eSIM on Xiaomi, you will need:
- Get it. QR-code or activation code of the operator.
- Go to Settings β SIM-maps and mobile networks β Add eSIM.
- Scan. QR-code or manually enter code.
- Wait 1-2 minutes for the card to be activated.
π‘
If the mobile network does not appear after activation of eSIM, restart the phone and check if the option is enabled Mobile data for this. SIM customized.
Update firmware and reset settings
If SIM-The card is not working due to a software failure, an update can help MIUI Important: Before resetting, back up your data!
1.Update MIUI
The manufacturer regularly releases patches that correct errors with recognition SIM-To update the firmware:
- Go to Settings β About the phone β System update.
- Click Check for updates.
- If a new version is available, download and install it.
If the update doesnβt help, try manually installing firmware through Recovery or Fastboot. Instructions for a specific model can be found on Xiaomiβs official forum (c.mi.com).
2. Resetting settings
If the problem occurs after installing applications or changing system settings, do a soft reset:
Settings β About the phone β Resetting settings β Resetting all settingsThis will remove user settings (Wi-Fi, Bluetooth, wallpaper), but save files and applications. If it doesn't work, you'll have to do a full reset:
Settings β About phone β Reset settings β Delete all dataβ οΈ Warning: After a complete reset, the phone will return to factory settings. All data (photos, contacts, messages) will be deleted! Pre-save it to Mi Cloud or to your computer.
π‘
Before resetting the settings, be sure to remove SIM-card and memory card β this will prevent them from being randomly formatted.
Verification IMEI and hardware malfunctions
If none of these methods helped, the problem may be the damage. IMEI or hardware malfunction. IMEI β This is your phone's unique identifier, which is tied to the communication module, if it's downed or missing, SIM-The map won't work.
How to check IMEI on Xiaomi
There are two ways:
- Enter the code in the phone application: *#06# One or two numbers will appear on the screen. IMEI (depending SIM-map).
- Look at the sticker under the battery (on removable batteries) or on the phone box.
If not IMEI displaying zeros (000000000000000000000) or an error, which means that the ID is downed:
- π§ Incorrect firmware update (especially via Fastboot).
- π Resetting through unofficial tools (e.g., Mi Flash Tool with clean all tick).
- π οΈ Damage to the communication module (for example, after falling or getting moisture).
How to restore IMEI to Xiaomi
Recovery IMEI β It's a complicated procedure that requires root rights and special tools. Wrong actions can permanently put your phone out of action! If you're not sure about your skills, contact the service center.
For experienced users, a brief instruction:
- Get root rights (for example, through Magisk).
- Install the app IMEI Changer (available on 4PDA).
- Enter the originals IMEI (box-and-sticker).
- Reboot the phone.
After recovery IMEI SIM-If not, there's a hardware problem (defected communications module or antenna).
Frequent mistakes and their solutions
Letβs analyze the typical errors faced by Xiaomi users when activating SIM-maps and ways to eliminate them.
| Mistake. | Possible cause | Decision |
|---|---|---|
| No service or only emergency calls | SIM card not registered on the network | Turn on/off Flight Mode, check balance, reboot phone |
| Inadmissible SIM-map | SIM card blocked by operator or damaged | Try a different SIM or contact the operator |
| Put it in. SIM-map (although inserted) | Bad contact or slot failure | Clear contacts, check the tray for damage |
| The phone doesn't see the second SIM | Slot SIM2 switched off | Activate the second. SIM In Settings β SIM-map |
| No mobile network icon | Mobile data is disabled | Enable Mobile Data in the Notification Curtain |
If your problem is not described in the table, try the following generic steps:
- Set another one. SIM-card (knowingly working) - this will help determine whether the phone is.
- Check if modem modem or access point is enabled β sometimes this blocks the mobile network.
- Update the settings APN (To do this, delete the current access point. APN Create a new one with your operatorβs parameters (you can find them on the official website).