Installation SIM-The cards in Xiaomiβs smartphone seem like a simple procedure, but in practice, users face typical mistakes, from the wrong location of the chip to damage to the tray. POCO, In this article, we will analyze not only the basic instructions, but also the nuances for different types of devices, from the budget Redmi Note 12 to the flagship Xiaomi 14 Ultra.
It is important to understand that the wrong installation SIM-cards can cause loss of communication, damage to contacts or even lock the slot. for example, in models with a hybrid slot (for example, Redmi). 10C) Incorrect placement of nano-SIM next to the microSD card often causes a "No network" error, we will discuss in detail how to avoid such problems, as well as provide recommendations for the choice of tools and diagnostics of malfunctions.
Types. SIM-cards and slots in Xiaomi phones
Xiaomi smartphones support three formats SIM-The compatibility of the cards depends on the model:
- π± Nano-SIM (4FF) β standard for all devices after 2016 years, including Redmi 9A, POCO X5). Size: 12.3Γ8.8 mm.
- π± Micro-SIM (3FF) β Older format, found in early models (Redmi) 3S, Mi 4i). Size: 15Γ12 mm.
- π± eSIM - virtual SIM, Available in flagships (Xiaomi 13 Pro, Mix Fold 3) Requires operator support.
By design, slots are divided into:
- π Hybrid (SIM + microSD: one slot for nano-SIM, the second or the second SIM, Or a memory card. Example: Redmi Note 11 Pro.
- π Double (2 nano-SIM): both slots are for SIM-Example of maps: POCO F5.
- π Triple (2 nano-SIM) + MicroSD: rare, for example, in Xiaomi Mi 10T Pro.
Before buying or trimming SIM-Make sure to check the specifications of your model on the official Xiaomi website. A2 Xiaomi has a hybrid slot, and Xiaomi 14 - only double for nano-SIM. an error in the choice of format will lead to the inability to install.
Preparation for installation: security tools and measures
For installation SIM-You will need a map of Xiaomi:
- π§ Paperclip or needle (company with phone) will do any thin metal part with diameter β€0.8 mm.
- π± Nano-SIM (or micro-SIM adapter if the model is old) Use of hand-cutting SIM-cards can damage the slot contacts - it is better to order a new one from the operator.
- π Lantern (optional) β will help to inspect the slot for dust or damage.
β οΈ Warning: Do not use toothpicks, pins or other fragile items to remove the tray. These may break inside the phone, which will require disassembling the device in the service center.
Before starting work:
- Turn off your phone (optional, but recommended for safety).
- Check what's on. SIM-card no scratches or chips β damaged contacts can cause an error in registration in the network.
- Make sure the tray is not contaminated. If necessary, wipe it with a dry wipe.
βοΈ Preparation for installation SIM-map
Step-by-step: how to insert a SIM in Xiaomi
The installation algorithm is the same for most Xiaomi models, but there are nuances for devices with hybrid slots.
- Find a slot for SIM-It's usually on the top or side of the phone. In Redmi Note models, the slot is more often on the right, in the right. POCO β On some devices (e.g. Xiaomi Mi 11 Ultra) the slot is hidden under a protective cover.
- Remove the tray. Put the paper clip in the little hole next to the slot and press until you click. The tray will extend 2 to 3 mm -- pull it out carefully with your fingers. Don't use force! If the tray doesn't come out, check if the trash has jammed it.
- Install. SIM-Put the nano-SIM in the appropriate slot on the tray chip down: πΆ If you use two SIM-cards, place them in slots SIM1 and SIM2 (usually signed on the tray). πΎ If you need a memory card, install it in a microSD slot and the second one. SIM-card - in the remaining slot.
Put the tray back in. Squeeze it into the phone carefully before you click. Make sure the tray is flat, and skewing can damage the contacts.
β οΈ Note: In models with support 5G (For example, the Redmi Note 12 Pro+) working on the fifth generation network SIM-The card must be installed in the slot SIM1. Otherwise, 5G not available.
After installation, turn on your phone and wait for the network to register. If the network indicator does not appear within 2-3 minutes, restart the device or check the installation correctly. SIM-map.
What to do if the tray is not inserted?
Features of installation for popular Xiaomi models
Some Xiaomi devices have unique slot designs, and consider the most common cases:
| Model | Slot type | Features | Supported SIMs |
|---|---|---|---|
| Redmi Note 12 Pro/Pro+ | Hybrid | SIM1 slot supports 5G, SIM2 only 4G. When using microSD, the second SIM is turned off. | 2Γnano-SIM or 1Γnano-SIM + microSD |
| POCO X5 Pro | Double. | Both slots support 5G, but with two active SIMs, the internet speed can slow down. | 2 Γ nano-SIM |
| Xiaomi 13 Lite | Hybrid | The tray is pushed out with effort - don't be afraid, this is normal for this model. | 2Γnano-SIM or 1Γnano-SIM + microSD |
| Redmi A2/A2+ | Hybrid | The slot is on the top edge, and only supports nano-SIM (micro-SIM won't work!). | 2Γnano-SIM or 1Γnano-SIM + microSD |
| Xiaomi Mix Fold 3 | Double + eSIM | Supports physical nano-SIM + eSIM. eSIM activation requires scanning QR-operator-code. | 1 Γ nano-SIM + eSIM |
For eSIM models (e.g. Xiaomi 13 Ultra), the activation process is different:
- Go to Settings. β SIM-maps and mobile networks β Add eSIM.
- Scan it. QR-code provided by the operator or enter data manually.
- Confirm activation β the phone will restart, after which the eSIM will be ready to use.
β οΈ Note: Not all operators support eSIM. In Russia, the technology is offered by MTS, Beeline and Tele2, but it may require a visit to the office or order to activate it. SIM-eSIM-enabled cards via the application.
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If you travel frequently, consider a model with an eSIM (e.g. Xiaomi 14). SIM-card without the need for a physical replacement of the chip.
Common Mistakes and How to Avoid Them
Even experienced users sometimes make mistakes when installing SIM-Here are the most common ones and the ways to solve them:
- π« SIM-Causes: Incorrect installation (chip up or not fully inserted card) damaged contacts on the map SIM-Incompatibility with the operator (for example, Yota does not work in some Xiaomi models). SIM-If the problem persists, contact the operator to change the card.
- π« The phone doesn't catch the network after installation: SIM-The card is not activated (especially for new cards). Mobile Internet is disabled in the phone settings (Settings) β SIM-map β Mobile data) carrier coverage issues in your area Solution: Reboot your phone, check network settings or contact the operator.
- π« The tray is not fixed on the phone: SIM-The card is not marked (e.g., upside down), the contact legs are bent inside the slot, the tray from another phone (even if it looks like it), Solution: Check the tray and the slot for damage. If the legs are bent, don't try to straighten them yourself, this can exacerbate the problem.
If after all the manipulations SIM-The card is not working, try it:
- Update the firmware of the phone (Settings β About the phone β System update).
- Reset network settings (Settings) β SIM-map β Resetting network settings).
- Check it out. SIM-map.
π‘
If the phone can't see SIM-map after falling or getting moisture, do not try to disassemble it yourself. In such cases, professional diagnostics are required - the board or antenna module may be damaged.
How to extract SIM-Xiaomi card without paper clip
The situation when there is no paper clip at hand, is familiar to many. Here are some safe ways to remove the tray:
- π Use headphones. Disconnect the wire from the plug, leave only the metal tip, insert it into the hole to extract the tray and press.
- π Paper clip. Fold a small piece of dense paper (like a business card) several times to make a thin and durable "rod." Put it in the hole.
- π Toothpick + Wrap the tip of the toothpick with a piece of foil to make it stronger. Carefully press the extraction mechanism.
β οΈ Warning: Never use sharp objects (needles, knives, scissors) - they can scratch the phone body or damage the internal parts. Also avoid excessive pressure: if the tray does not extend, then you are doing something wrong. Stop and try another method.
If the tray is jammed due to dust or moisture, you can try:
- Blow the hole to extract compressed air (for example, a canister to clean the keyboard).
- Carefully tapping on the phone next to the slot (not on the screen!) - sometimes it helps to move the stuck tray.
- Use a thin plastic card (such as a discount card) to tamper with the tray on the side.
If none of these methods work, don't use force, go to the service center, and you try to pull the tray out "forcibly" often end up damaging the mechanism.