How do you put it in? SIM-Map to Xiaomi Redmi phone: instructions for all models (2026)

Installation SIM-The cards in the smartphone Xiaomi Redmi seems to be a simple procedure, but in practice users face a lot of nuances: from the mismatch of the size of the SIM to the jammed tray. This article will help you understand all the subtleties - from choosing the right format SIM Typical problems in installation.

We will not only look at the standard procedure for popular models (Redmi Note). 12, Redmi A2, POCO X5), But also the rare cases: what to do if the tray is not retractable, how to do without the paper clip, and why the phone does not see the SIM after installation. SIM-microSD card and memory card. All instructions are relevant for firmware MIUI 14/15 Android 13/14.

Preparation: what type SIM-Cards are needed for Xiaomi Redmi

Before you insert the SIM, make sure you have the right format. All modern Xiaomi Redmi smartphones (released after 2018) support only nano-SIM (4FF format, size 12.3×8.8 mm). Even if you have an old micro-SIM or full-size SIM, it will have to be trimmed or replaced in the cabin of the operator.

Important: Some models (like the Redmi 10C or Redmi 9A) have a hybrid slot where the second slot is combined with a memory card connector, which means you can use either two nano-SIMs or one nano-SIM + microSD (but not three elements at the same time!).

• 📱 Standard models (Redmi Note) 11/12, POCO M5): 2 nano-SIM + microSD slot
• 🔄 Hybrid slots (Redmi) 10A, Redmi 9C): 1 nano-SIM + (2 nano-SIM or 1 microSD)
• ⚡ 5G-Models: Redmi Note 12 5G, POCO X5 Pro: nano-SIM only, no microSD support

⚠️ Attention: If you cut the SIM on your own, use a template or a special cutter. Incorrect pruning can damage the contacts, and the SIM will cease to be determined.

Where is the slot for SIM-maps

In most models Xiaomi Redmi tray for the SIM-The card is located on the left side of the phone (if you look at the screen), with the exception of some budget models (for example, Redmi). 9A or Redmi 10A), where the slot can be on the top end, to pinpoint the location:

1. Look at the phone’s body – next to the slot there is usually a small hole for the paperclip.
2. If there is no hole, check the top face (near the headphone jack or speaker).
3. In models with a non-removable cover (for example, Redmi Note 11S), the slot is always on the side.

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On some models (e.g. Redmi) K50) slot SIM-The map is illuminated by an LED when it's removed. If you can't find the hole, light it with a flashlight, and it'll reflect light.

If you own a Redmi with protection IP53 (For example, Redmi Note 12 Pro, note that the slot is a SIM-The card has an additional rubber pad. When removing the tray, be careful - do not damage it, otherwise the phone will lose water protection.

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

The process of installing the SIM takes no more than a minute, if you follow the algorithm, you only need a clip (or a special key from the kit) and the very same one. SIM-If there is no paper clip, you can use an open stationery brace or a thin needle.

Prepare a nano-SIM of the right size|Turn off the phone (recommended)|Find a hole to extract the tray|Prepare a paper clip or key-->

1. Turn off your phone (optional, but recommended to avoid network failures).
2. Insert the paperclip into the hole next to the slot and press until you click. The tray should extend 2-3 mm.
3. Carefully pull the tray over yourself and remove it completely.
4. Put it down. SIM-The map is in the appropriate slot with the contacts down.
5. If you have a hybrid slot, choose a priority: 📶 Two. SIM-cards (without microSD) 💾 One. SIM + memory-card

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Turn on the phone and wait for the network to be determined (it can take up to 2 minutes).

Important! Don't use toothpicks or other wooden objects, they can break inside the hole. If the paperclip bent during extraction, straighten it gently with pliers.

Frequent Mistakes and How to Avoid Them

Even experienced users sometimes make mistakes when installing SIM-Here are the most common problems and their solutions:

• 🚫 Phone doesn't see SIM: Check if the card is inserted correctly (contacts should be facing down). Reboot the phone. Try the SIM on another device - it may be corrupt. Update the firmware through Settings → The phone. → Updating the system.
• 🔄 SIMK is detected, but no network: Make sure mode is on 4G/5G In Settings → SIM-Maps and mobile networks. Check the balance and status of the service provider. Reset the network settings: Settings → Memory and backup copies → Resetting the network.
• 🔧 The tray is not fixed: Make sure that the SIMK lies flat and does not protrude beyond the edges of the tray. Check if there are foreign objects (dust, sand) inside the slot. If the mechanism is broken, replace the tray (the cost of the part) ~300–500 ₽).

⚠️ Warning: If after installing the SIM phone stopped turning on or constantly restarts, immediately remove the card. There may be a conflict with the firmware (especially for customized devices). ROM). In this case, you need to flash through Fastboot.

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If the phone doesn't see the second SIM-card in hybrid slot, check the priority of slots in the settings: Settings → SIM-maps and mobile networks → Management SIM-Sometimes the default system turns off the second slot to save energy.

Features for different models Xiaomi Redmi

Despite the similarity, some Redmi models have unique nuances when installed. SIM-Let's take a look at these maps:

Redmi Note 12 / POCO X5

These models support 5G, However, for new networks, it is necessary to SIM-The card was set to slot 1 (usually marked on the tray). 4G. Please also note that in POCO X5 There is no microSD slot, only two nano-SIMs.

Redmi A2 / A2+

Budget models with a hybrid slot. Here it is recommended to give priority to the main SIM (for example, for mobile Internet).

Redmi 10C / 9C

In these models, the slot for SIM-The cards are located on the top end, which is not typical for the Redmi line, and they also support a separate microSD slot (up to 512 GB), but only if the second one is not used. SIM-map.

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In the Redmi models with NFC (For example, the Redmi Note 11 NFC) The wireless payment antenna is located next to the slot for SIM-If contactless payment stops working after installing the SIM card, check if the card has shifted in the tray.

What to do if you lose a paper clip for SIM-map

The paperclip from the kit is lost most often, but it is easy to replace it with improvised means.

• ✅ Sufficiently thin (diameter not more than 0.8 mm).
• ✅ Strong (not bent when pressed).
• ✅ No barbs (so as not to damage the hole).

Here’s what you can use instead of a paper clip:

• 📎 The unbending stationery bracket (the most reliable option).
• 🪡 A needle from a sewing machine or a thick sewing needle.
• 🔑 Key to the guitar (most thin).
• 🖊️ The rod from the gel handle (if you remove the insides).
• 📌 A pin (carefully so as not to break inside).

⚠️ Warning: Never use a knife, scissors or other sharp objects - they can damage the locking mechanism of the tray. If there is nothing suitable at hand, contact the communication salon or service center, where you will be helped free of charge.

How to activate SIM-map

After physical settings, the SIM needs to be activated in the phone settings, and the process may vary depending on the operator (MTS, Beeline, MegaFon, Tele2), but the general scheme is as follows:

1. Turn on the phone and wait for the new notification to appear SIM-map.
2. Go to Settings. → SIM-maps and mobile networks.
3. Select the SIM you want to activate (if there are two).
4. Include parameters: 📞 Calls (for outgoing calls). 🌐 Mobile data (for the Internet). 📩 SMS (for messages).

PIN-code

0000

1234

Reboot your phone to make the changes take effect.

Some carriers (e.g. Yota or Tinkoff Mobile) may require additional activation via the app or USSD-For example, Tinkoff Mobile needs to text 1 to 0999.

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If after activation the SIM works unstable (network disappears, SMS is not sent), check the settings. APN. Path: Settings → SIM-maps and mobile networks → Access points (APN). For most operators, it is enough to choose an automatic configuration.

FAQ: Answers to Frequent Questions