Replacement SIM-Xiaomi: Instructions for all models (2026)

Replacement SIM-Xiaomi’s cards are a procedure that every owner will face sooner or later, whether it’s switching to a new operator, replacing a damaged card, or switching to nano-SIM, the process requires precision and nuance. Unlike the old button phones, where the tray was literally removed with a nail, modern Redmi, POCO Mi and are equipped with secure slots, and some models (for example, Xiaomi 13 Ultra) even support dual-player slots. SIM memory-card-slot hybrid.

In this article, we will analyze not only the standard procedure for extracting the tray, but also rare cases - when the slot is jammed, how to properly trim the micro-SIM to nano without the risk of damaging contacts, and what to do if the phone does not see a new one. SIM-We will pay special attention to models with eSIM (for example, Xiaomi). 14), where physical replacement may not be necessary. All instructions are relevant for firmware MIUI 14/15 HyperOS.

Preparation for replacement SIM-maps: what you need to know

Before you start replacing, make sure you have everything you need. Most problems when replacing the SIM are due to the wrong tool or the wrong card format.

• 🔧 A paper clip or a tray key, and the phone comes with a special metal key, but an unbended clip will also work, and the main thing is not to use sharp objects (needles, toothpicks) so as not to damage the mechanism.
• 📱 The phone's off, though many people change it. SIM On the device on, Xiaomi recommends turning off power for models with a hybrid slot (for example, Redmi Note 12 Pro).+), to avoid failures in the communication module.
• 📏 The right size SIM. Most of the modern smartphones Xiaomi supports only nano-SIM (12.3 × 8.8 If you have a micro-SIM (15 × 12 It can be cut, but it is better to order a new one from the operator.

Also check if your model supports two. SIM-For example, Xiaomi. 13T It has a hybrid slot: either two nano-SIMs or one nano-SIM. + microSD. The table below is the distribution by popular models:

⚠️ Note: If you use a hybrid slot (e.g. in Redmi Note 11), when installing a second slot SIM-The microSD is automatically disabled, and the memory card data will remain unavailable until you return the settings.

Step-by-step: how to remove the tray for SIM-map

The tray extraction process is the same for most Xiaomi models, but there are nuances for IP53/IP68-protected devices (such as Xiaomi 13 Ultra or POCO F5).

1. Turn off your phone (recommended for hybrid slot models).
2. Find a tray for SIM-It is usually located on the upper or lateral face (see the diagram for your model below).
3. Put a paper clip or key in the tray hole before you click. Don't apply excessive force - the mechanism should move smoothly.
4. Carefully pull the tray over you. If it doesn't come out, don't try to pull it out with pliers -- check if the key is bent.

For models with dust and moisture protection (such as Xiaomi 12S Ultra), after removing the tray, check the sealing gum - it must be whole and clean. If the gum is torn, the tightness of the body will break, and the phone will lose IP68 protection.

Make sure your phone is turned off (for hybrid slots)

Check the size of the new SIM-maps (nano-SIM)

Prepare a paper clip or key from the set

Find the tray (usually on the side or top)-->

Installation of a new SIM-maps: nuances for different models

After removing the tray, place the tray. SIM-The map according to the markup. Notice the following points:

• 📌 Chip position. There's a circuit on the tray where the chip should be located (usually at the bottom right). If you mix the sides, the phone won't see the map.
• 🔄 Double. SIM. In models with two slots (for example, POCO F4) The tray has two nests, so make sure the cards don't overlap.
• 🚫 microSD vs SIM. In hybrid slots (e.g. Redmi) 10C) You can not use two at the same time SIM The first card to be installed is the first card.

Once installed, gently push the tray back before the click. Turn on the phone and wait for the network to activate. SIM-The card is not determined, try it:

1. Reboot the phone.
2. Check if the card is correctly installed (sometimes it is shifted when the tray is inserted).
3. Manually select the operator in the settings: Settings → SIM-cards and mobile networks → Network selection.

⚠️ Note: If after replacement SIM The phone stopped catching the network, and the status shows "Emergency Calls Only", check if the Flight Mode function is activated in quick settings. Also make sure that your operator supports the frequencies that your Xiaomi model works with (for example, the Redmi Note 12 does not support networks). CDMA).

Pruning SIM-How to make nano-SIM from micro-SIM

If you only have a micro-SIM and your phone only supports nano-SIM, you can crop the card yourself.

• 📏 Line or template for cropping (can be printed from the official website of the operator).
• ✂️ Sharp scissors or a stationery knife.
• 🧹 Sandpaper (fine-grained) for grinding edges.

Step-by-step:

1. Overlay the template on the micro-SIM so that the chip is in the correct position (see diagram below).
2. Carefully trim the plastic along the contour, leaving 1-2 mm of stock.
3. Treat the edges with sandpaper so that they do not scratch the tray.
4. Check that the card freely enters the tray, but does not hang.

Cut off SIM-The card may not work if the chip contacts are damaged when they are pruned, in which case you will have to order a new nano-SIM from the operator.

💡

Before pruning, take a photo of the original nano-SIM (if any) or download the template from your carrier’s website.

Frequent problems after SIM replacement and their solution

Even if you do everything right, you can have problems, and let's look at the typical situations and the ways to fix them.

If none of these methods worked, check if your operator is blocking the device. IMEI. This is true for phones brought from abroad (e.g. global versions of Xiaomi may not work with some Russian carriers). IMEI You can do it by command *#06#.

Xiaomi eSIM: How to activate a virtual SIM

New flagships Xiaomi (for example, Xiaomi 14 or Xiaomi 13 Pro) support eSIM technology – virtual SIM-A card that doesn't require physical installation to activate it:

1. Make sure your operator supports eSIM (in Russia it is MTS, Beeline, Tele2).
2. Get it. QR-code or activation code from the operator (usually through a personal account or sales office).
3. Go to Settings. → SIM-maps and mobile networks → Add a mobile fare.
4. Scan it. QR-code or enter data manually.

The advantages of eSIM:

• 🔄 Quickly switch between fares without replacing a physical card.
• 🌍 Travel convenience – you can activate a local operator without buying a physical one SIM.
• 🔒 Protection against loss/theft (cannot be physically removed).

⚠️ Note: Not all Xiaomi models support eSIM, such as Redmi and the E-SIM. POCO This feature is not available in the series. Please check the specifications on the official website before buying.

💡

eSIM is a convenient alternative to physical SIM, but requires support from the operator and a specific Xiaomi model.

Slot care tips SIM-map

To avoid problems with SIM-In the future, follow the simple guidelines:

• 🧼 Clean contacts. Rub the contacts of the tray with an alcohol wipe every 6 months.
• 🚫 Avoid moisture, even if your Xiaomi has protection. IP68, Getting water into the slot can cause corrosion of contacts.
• 🔄 Careful extraction. Don't pull the tray out abruptly, it can bend the mechanism.

If you change often SIM-card (e.g., when traveling abroad), consider buying a tray adapter that allows you to quickly switch between cards without risking damage to the slot. However, adapters are incompatible with models where the tray has a fixed design (e.g., Xiaomi Mix Fold 3).

FAQ: Answers to Frequent Questions