How to insert it correctly SIM-Map in Xiaomi Redmi Note: instructions for all models

Smartphones line Xiaomi Redmi Note for many years remain one of the most popular budget devices on the market. They are distinguished by excellent value for money, but even with such gadgets, users sometimes have elementary questions — for example, how to install correctly. SIM-But if you try to insert a SIM, you can damage your contacts, lose your connection, or even break the slot.

In this article, we will discuss the installation process in detail. SIM-All generations of Redmi Note cards – from early models (Redmi Note) 3/4) Up to the latest updates (Redmi Note) 13 Pro+). You will learn where the slot is, what size of the SIM is needed, how to avoid typical errors and what to do if the phone does not see the card after installation. And we will reveal a few secrets that are not written in the official instructions – for example, how to properly remove the tray without a paper clip or what to do if the SIM is stuck.

What are they? SIM-The cards are suitable for Xiaomi Redmi Note

Before you insert the SIM, you need to make sure that its size matches the slot of your smartphone. All modern Xiaomi Redmi Note models (starting with the Redmi Note). 5) Supports only nano-sim format (4FF) — It's the smallest version of the size. 12,3 × 8,8 older devices (Redmi Note) 3/4) It could work with micro-SIM (3FF), But today, such cards are almost not issued - they have to be cut or ordered a duplicate from the operator.

It is also important to consider the number of supported cards:

• 📱 Single-sim model (rare in line): only 1 nano-SIM + microSD-slot.
• 📱📱 Two-Sim models (most): 2 nano-SIM + hybrid slot (the second slot can be either for the second SIM or for a memory card).
• 📱💾 Hybrid Slots: If you use two SIMs, you can’t insert microSD, and vice versa.

To make sure you don’t go wrong, check the specifications of your model on the official Xiaomi website or in the documentation. For example, the Redmi Note 12 Pro+ supports two nano-SIM + microSD, and the Redmi Note 10T only supports two SIMs without the possibility of expanding memory.

Where is the slot for SIM-maps in Redmi Note

Most Xiaomi Redmi Note models are a slot for SIM-The map is located on the left end of the case (if you look at the screen), except for some early versions (Redmi Note 3), where the tray could be on the right, to pinpoint the location:

1. Turn the phone over with your screen.
2. Look for a small hole (about 1 mm in diameter) with a metal rim.
3. Near the hole there is usually a tray contour that is slightly recessed into the body.

On some models (such as the Redmi Note 11 Pro+), the slot can be hidden by a plug that disguises itself as a body. If you can't find the hole, light it with a flashlight - it's there, it just might be less noticeable.

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If you have a Redmi Note 5/6/7 with a metal body, don’t try to open the tray with your nail, it will lead to scratches.

Step-by-step instruction: how to insert SIM-map

Now, let's get to the process. You're going to need to do this.

• 🔑 Special key for retrieving the tray (goes with the phone).
• 📎 If there is no key, an unbended paper clip or a stationery pin.
• 📱 Nano-SIM (or micro-SIM) for older models).

Act on the algorithm:

1. Turn off your phone (not necessarily, but it is recommended to avoid network failures).
2. Insert the key (or paperclip) into the hole next to the slot and press before clicking. The tray should extend 2–3 mm.
3. Carefully pull the tray over yourself and completely remove it.
4. Put it down. SIM-map in the corresponding groove contacts down (the tray usually has a diagram — SIM1, lower — SIM2.
5. If you use microSD, insert it into the third slot (if any).
6. Make sure the cards sit tightly in the slots and don't stagger.
7. Insert the tray back into the slot before clicking (don't put too much effort!).

After turning on the phone, it must automatically determine the SIM. If this does not happen, go to Settings. → SIM-Maps and mobile networks and select the desired network manually.

⚠️ Warning: Never insert the tray crooked or skewed - this can bend the contacts inside the slot.If you feel resistance, remove the tray and check if the cards are correctly installed.

Frequent Mistakes and How to Avoid Them

Even a simple process like installation SIM-And this is the most common mistakes and their solutions:

Another typical situation is that the user inserts a SIM into a hybrid slot, but the phone does not recognize it, and the reason is often the network settings. → SIM-maps and mobile networks → Name. SIM-maps and make sure that it is connected to the mobile network.

Features for different models of Redmi Note

Although the principle of installation SIM-The cards are the same for all Redmi Notes, some models have nuances:

• 📱 Redmi Note 3/4: use micro-SIMs (3FF), The tray is on the right. In hybrid versions, the second slot can be microSD.
• 📱 Redmi Note 5/6/7: switch to nano-SIM, tray on the left. 7 Pro slot combined (2 SIM + microSD).
• 📱 Redmi Note 8/9/10: The left side supports VoLTE and 4G+ Both SIMs. 10 Pro slot is not hybrid - only 2 SIM + microSD-specific.
• 📱 Redmi Note 11/12/13: tray on the left, support 5G (only SIM1). In Note. 12 Pro+ The slot is reinforced with a metal frame to protect against damage.

In 5G-enabled models (like the Redmi Note 11T Pro or Note 12 Pro+), only the first slot (SIM1) works with fifth-generation networks. The second SIM will be limited to 4G. This is important to consider if you're using a 5G tariff.

Also in the latest versions MIUI There's a double function. SIM-map 4G+" (DSDS), This allows both SIMs to work on networks at the same time. 4G. To activate it, go to Settings. → SIM-maps and mobile networks → Double. SIM-map 4G+.

How to extract SIM-card if there is no key

The situation when there is no special key or paper clip at hand, is familiar to many.

1. Needle or pin: gently insert into the hole and press, the main thing is not to push too deep so as not to damage the mechanism.
2. Toothpick: sharpen the tip and try to push. It may take more effort than with a metal object.
3. Nail (plastic case only!): If the tray protrudes slightly, you can tuck it with your nail and pull it out. Not suitable for metal Redmi Note 3/4.
4. Scotch tape: stick a piece to the tray and pull it. It works if the tray is already a little extended.

⚠️ Warning: Never use a knife, scissors or other sharp objects, it is almost guaranteed to cause scratches on the body or damage to internal contacts. If the tray does not respond, you better wait until you find the right tool.

If you often encounter this problem, order a set of keys on AliExpress or at your local electronics store for the purpose of using the keys. SIM-Trays – they cost a penny and are suitable for all smartphones.

What to do if your phone can’t see SIM-map

If the SIM is inserted correctly but the phone does not recognize it, follow the following steps:

1. Reboot your phone – sometimes it helps to reset network errors.
2. Check the tray for damage: check the contacts on the SIM and in the slot. If they are scratched or bent, contact the service.
3. Update: Go to Settings → About Phone → System Update and install the latest version of MIUI.
4. Reset network settings: Settings → SIM-maps and mobile networks → Resetting network settings.
5. Check the SIM on another phone – if it doesn’t work, the operator has a problem.
6. Activate manual network search: Settings → SIM-maps and mobile networks → Choice of network → Handheld.

If none of these things work, maybe the slot or the communication module itself is broken, and you should go to Xiaomi's service center, and don't try to disassemble the phone yourself, because you're not guaranteed to do that.

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If the phone stopped seeing the SIM after falling or getting moisture, don't try to turn it on! immediately take it to the service - it could be a short circuit.

FAQ: Answers to Frequent Questions