Where in the phone Xiaomi is a memory card slot: step-by-step instructions

Owners of smartphones Xiaomi, Redmi and POCO A microSD card is a simple solution, but installing it can raise questions about where the slot is located, how to insert the card correctly, and what nuances to consider for different models. In this article, we will analyze all slot placement options, from classic trays to hybrid solutions, and also tell you how to avoid typical errors when installing a slot.

Many users mistakenly search for a slot under the battery — in modern Xiaomi this is not. the manufacturer has moved to non-dismountable cases, and the microSD slot is now integrated into the tray for the battery. SIM-There are exceptions, however: some models only support hybrid trays, where you have to choose between the second tray. SIM-We will go through each case in detail so you know exactly which Xiaomi models allow you to use a microSD with two different microSDs. SIM-maps, and which ones don't.

Before you start, make sure your model supports memory cards. 12/13 The microSD slot is often devoid of the budget Redmi Note and POCO M usually have it. If you're not sure, check the specs on the official website or in the documentation for the device.

In this article you will find:

• 📍 The exact location of the memory card slot in popular Xiaomi, Redmi and POCO
• 🔧 Step-by-step instructions for installing microSD with photos and schemes
• ⚠️ Typical errors and how to avoid them (such as why your phone can’t see your card)
• 📊 Table of compatibility of memory cards with different series of smartphones
• ❓ Answers to frequent questions: can you use the card as an internal memory, what speed class you need, etc.

1. Where is the memory card slot in Xiaomi: 3 possible options

Depending on the model of the smartphone Xiaomi slot for microSD can be located in different places.

1. Classic tray for SIM + microSD (Separate Slots)

The most convenient option is when the tray has separate nests for two nano-SIMs and a memory card, which is found in most budget and mid-budget models:

• 📱 Redmi Note 10/11/12 (modifications)
• 📱 POCO M4/M5/M6 Pro
• 📱 Redmi 10/10A/10C

In this case, you can use two at the same time. SIM-The slot is usually on the left or right side of the case.

2. Hybrid tray (SIM + SIM or SIM + microSD)

A more compact solution where the second slot for nano-SIM can be replaced with a memory card. SIM-And the microSD and the card are both, and this is the pattern that you see:

• 📱 Xiaomi Mi 10T/11 Lite
• 📱 Redmi Note 9 Pro/9S
• 📱 POCO X3/X4 Pro

A hybrid tray is often confusing. To make no mistake, note the label: a microSD slot is usually marked with an icon. 📷 or microSD.

3. Lack of microSD slot

Some flagship Xiaomi models (e.g. Mi) 12/13, Mix 4) They don't support memory cards at all, and in this case, you can only expand memory through cloud services or OTG-Check the specifications of your model on the official website if you are not sure.

🔍 How to quickly determine the type of slot?

Take a paper clip (or a special key from the set) and carefully remove the tray. If you see three nests, you're in luck, this is the classic option. SIM2/microSD — It's a hybrid tray.

2. Step-by-step instructions: how to insert a memory card in Xiaomi

Now, let's get to the point. Follow this instruction to properly install microSD in your smartphone:

Step 1: Preparation of the memory card

Before installation, make sure that:

• 🔹 The memory card is formatted in FAT32 or exFAT (for cards larger than 32 GB).
• 🔹 There is no important data on the map - when you first connect the phone may suggest formatting it.
• 🔹 The card is compatible with your model (see compatibility table below).

Step 2: Removing the tray for SIM-map

1. Turn off the phone (recommended, but not required).

2. Find on the side face a small hole with a metal rim - this is a slot for the tray.

3. Insert a paperclip (or a special key from the kit) into the hole and press slightly until the tray is pushed out.

4. Carefully get the tray out completely.

Step 3: Installation of a memory card

1. Place the tray on a flat surface.

2. Determine where the microSD slot is located (see section above).

3. Put the memory card into the corresponding socket with the gold contacts down. Most trays have diagrams showing the correct position.

4. If you have a hybrid tray, select: or the second one. SIM-card, or microSD.

Step 4: Return the tray to the phone

1. make sure that the card and SIM-The cards are securely fixed in the tray.

2. Insert the tray back into the slot before the click. Don't put too much effort into it!

3. Turn on the phone and wait for the memory card recognition.

Map formatted in FAT32/exFAT|

The card size does not exceed the maximum supported|

The tray is removed carefully, without distortion |

The map is inserted with gold contacts down-->

⚠️ Attention!

If the phone doesn't see it after you install the memory card, don't rush to retrieve the tray. First, restart the device and check the settings in the Settings section. → Sometimes the system requires additional confirmation to mount the map.

3. Memory card compatibility with Xiaomi models: table

Not all memory cards work equally well with Xiaomi phones. Below is a compatibility table for popular series (UHS-I, A1/A2).

🔹 What do speed classes mean?

• 📈 A1/A2 — Optimized for application installation (accelerated work with small files).
• 📈 UHS-I — High read/write speed (important for video shooting) 4K).
• 📉 Class 10 – the minimum recommended class for modern smartphones.

⚠️ Attention!

Using low-end memory cards (such as Class 4) can lead to brakes when recording videos, slow app loads, and reading errors. 4K-Videos (e.g. Redmi Note 12 Pro)+) recommended UHS-I A2.

4. Frequent errors when installing a memory card and how to fix them

Even if you inserted the card correctly, the phone may not recognize it.

1.The phone doesn't see the memory card

Possible causes and solutions:

• 🔌 The card is not inserted until the end. → Remove the tray and check the fixation.
• 🗑️ The map is formatted in NTFS → Reformatting into FAT32 exFAT.
• 🛠️ Damaged contacts → Try another card or clear the contacts of the tray with alcohol.
• 📱 Software failure → Restart your phone or reset your settings in the Settings section → Memory. → Map. SD.

2.The card is defined but does not function as internal memory

Not all Xiaomi models support Adoptable Storage, if the option is not available:

• 🔧 Check if your model supports this feature (usually only on Android 6.0)+).
• 📲 Use the card as a portable storage (files will only be accessible through the file manager).

3.The phone says "Map damaged."

This could mean:

• 💥 Physical damage to the card → Try connecting it to a PC.
• 🖥️ Logical errors → Format the card via phone or computer.
• 🦠 Viral contamination → Check the antivirus card before using it.

💡 Useful advice

💡

If the memory card often turns off on its own, try inserting it into another smartphone or card reader. If the problem recurs, the card is faulty. If it works properly, the problem is in your Xiaomi slot (the contacts may have weakened).

5.Can I use a memory card as an internal one in Xiaomi?

Adoptable Storage is available on some Xiaomi models, but with limitations.

How do I turn it on?

1. Insert the memory card and wait for its recognition.

2. Go to Settings → Memory. → Map. SD.

3. Press Settings (three dots in the upper right corner) → Storage settings.

4. Select Internal Memory and follow the instructions. Attention! The map will be formatted and cannot be retrieved without losing data.

Limitations and nuances

• ⚠️ After formatting, the card will not be used in other devices without completely erasing.
• ⚠️ The speed of applications from the card will be lower than with the built-in memory.
• ⚠️ Not all models support this function (e.g., on the MIUI 13/14 It can be disabled).

📌 When to use a card as an internal memory?

• 📲 If the phone critically lacks space for applications.
• 🎮 If you install light games (heavy games can slow down).
• 📷 If you often shoot high-resolution videos and photos.

⚠️ Attention!

If you decide to retrieve a card formatted as internal memory, all the data on it will be deleted and some applications may stop working.

6. How to transfer data to a memory card in Xiaomi

Once you have a microSD, you can transfer photos, videos, music, and even some apps to it. Here's how to do this:

Transfer files through the file manager

1. Open the Files app (or any other file manager).

2. Go to the Internal Memory section and select the files to transfer.

3.Push highlight → Move and specify the folder on the memory card.

Transfer of applications to the map

Not all applications can be migrated to microSD, but it is worth trying:

1. Go to Settings → Applications → Application Management.

2. Select the desired application and click Storage.

3. If the option to Change is available, select the Map SD.

Automatic transfer of photos and videos

To make sure that new photos and videos are immediately saved to the map:

1. Open the Camera app.

2.Push on. ⚙️ Settings → Preservation site.

3. Select the Map. SD.

💡 Useful advice

💡

If you often shoot videos in 4K, Keep them on the memory card – this will save space in the internal memory and reduce the load on it.

7. How to safely remove a memory card from Xiaomi

Misremoving the microSD can cause data loss or card damage.

Step 1: Unmounting the map

1. Go to Settings. → Memory. → Map. SD.

2. Press Extract (or Disconnect).

3. Wait for the notification of safe shutdown.

Step 2: Physical extraction

1. Turn off the phone (recommended, but not required).

2. Remove the tray for SIM-maps as described above.

3. Carefully get the memory card.

⚠️ Attention!

If you remove the card without unmounting, there is a risk of damage to the file system, especially if the data was recorded at the time of extraction (for example, video shooting).

🔋 What to do if the card is “stuck” in the slot?

Don't try to pull it out by force.

• 🔄 Reboot the phone – sometimes the card “sticks” after a reboot.
• 🧲 Use tweezers with plastic tips to gently tweak the card.
• 📞 Contact the service center if the card is damaged or the tray is deformed.

💡

Always unmount the memory card through the settings before extraction – this prevents data loss and file system damage.

FAQ: Frequent questions about memory cards in Xiaomi