How to insert a memory card in Xiaomi Redmi Note: instructions with photos and tips

Expanding memory on Xiaomi Redmi Note smartphones is one of the most popular procedures among users. Even models with 128 GB of internal memory sooner or later face a shortage of space for photos, videos or applications. A microSD card becomes a simple and budgetary solution, but installing it often raises questions: where is the slot, how not to damage contacts, and why does the smartphone not see a new card?

In this article, we will analyze the process from A to Z: from choosing the right memory card to configuring its use in the system. MIUI. We will pay special attention to the Redmi Note models. 10/11/12 with a hybrid slot, where the memory card shares the space with the second SIM-You will learn how to avoid typical installation errors, what formats are supported, and what to do if your smartphone does not recognize microSD.

If you've never worked with memory cards before or are afraid of damaging your device, don't worry. Our step-by-step guide with photos and video examples will help you cope with the task of working with memory cards. 2-3 And for power users, we've developed a section with advanced settings, like how to make a memory card the primary storage for applications.

1. Which memory cards are suitable for Xiaomi Redmi Note

Not all microSD cards work equally well with Xiaomi devices. Before you buy the first one, check its compatibility with your Redmi Note model.

• 📏 Form factor: MicroSD only (not miniSD or standard) SD). The slot in the smartphone is designed for this size.
• 🔢 Volume: The maximum supported volume depends on the model. For example, the Redmi Note 10 Pro officially works with cards up to 512 GB, and older models (for example, the Note 8) – up to 256 GB.
• ⚡ Speed class: for recording video in 4K or frequent file transfers, select class cards UHS-I (U1 or U3) or A2 (optimized for applications).
• 🔄 File system: Xiaomi smartphones support FAT32 (up to 32GB) and exFAT (from 64GB). >32GB is usually formatted in exFAT.

Important: some users experience problems with using SanDisk Ultra or Kingston Canvas cards, which may not be recognized due to incompatibility of the controller. EVO Toshiba Exceria, which is less likely to cause conflict.

⚠️ Note: MicroSDXC memory cards (from 64 GB) require exFAT formatting. If your Redmi Note doesn't see such a card, check its file system through your computer. Android 6.0 and later smartphones support exFAT by default.

2.Where is the memory card slot in the Redmi Note

The slot's location depends on the model and generation of the Redmi Note, and in most cases it is on the left side of the device, next to the volume buttons.

• 📱 Models. 2020–2023 (Note) 9/10/11/12): slot combined with tray for SIM-To insert a microSD, you have to sacrifice a second one. SIM-card.
• 📱 Models up 2019 (Note) 7/8): a separate microSD slot located either on the side face or under the back cover (on models with a removable battery).
• 🔧 Redmi Note 12 Discovery Edition has a dedicated microSD slot without loss SIM, But there are few models.

To find a slot, look around the case of your smartphone. Look for a small hole with a metal rim, which is a tray for you to use. SIM/microSD. To extract the tray, a special key (company) or a paper clip is used. If there is no hole, then the slot is hidden under the back cover (relevant to older models).

The photos below show the location of the slot for popular models:

(Here would be photos of slots for the Redmi Note 10, Note 11, and Note 12, but in text format we’ll describe them visually.)

• Redmi Note 10/11: The left side of the sleeve, the two sides of the sleeve. SIM1 + SIM2/microSD).
• Redmi Note 12 Pro: slot on the top edge, tray with three notches (SIM1 + SIM2 + microSD).
• Redmi Note 8: Slot under the back cover, next to the battery (removal of the cover is required).

⚠️ Note: On models with hybrid slot (Note) 10/11/12) You can't use two at the same time. SIM-I'll have to choose between the two. SIM, Or expand the memory, if you need both. SIM, Consider using cloud storage or OTG-flash-drive.

3. Step-by-step instruction: how to insert a memory card

The microSD installation process takes no more than 5 minutes, but requires carefulness. Follow the instructions so as not to damage the slot contacts or the card itself.

Step. 1: Remove the tray for SIM/microSD

1. Find a hole to extract the tray on the side of the smartphone.

2. Insert a paper clip (or a special key from the kit) into the hole to the point. The tray should be slightly extended.

3. gently pull the tray over yourself and remove it completely.

Step 2: Install a memory card

1. Place the tray on a flat surface with contacts upwards.

2. Place the microSD card in the appropriate slot.

• 🔹 Direction of contacts: they should "look" down to the bottom of the tray.
• 🔹 Notch on the map: it should coincide with the shape of the groove.
• 🔹 If the tray is hybrid, make sure you don't mix up the slots for SIM microSD.

3. At a light press, lock the card in the tray. It should sit tight, without backlash.

Step 3: Return the tray to your smartphone

1. Insert the tray back into the slot before the click. Make sure it sits smoothly, without skewing.

2. Turn on the smartphone (if it was turned off).

3. wait for the notification of the system about the discovery of a new memory card.

If the card is not determined after installation, go to the section "Typical problems and their solutions".

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Before the first installation of the memory card format it on the computer to the exFAT file system (if the volume of the memory card is >This will help you avoid reading errors in 32 GB. MIUI.

4. Set up a memory card in MIUI

After physical installation of the card, it must be properly configured in the system. MIUI It offers two main use cases:

1. Portable storage: the card is used only for files (photos, videos, music).
2. Internal memory: The card is formatted and becomes part of the system, allowing you to install applications on it (Adoptable Storage function).

Option 1: Portable storage (recommended)

This mode is suitable for most users.The map will be available for saving files, but applications will still be installed in internal memory.

1. After the card is installed, a notification will appear "New" SD-card found."Put it on him.

2. Select "Use as a portable storage".

3. Press "Done." The map will be ready to use.

Option 2: Internal memory (for power users)

This mode allows you to expand the internal memory at the expense of the card, but has limitations:

• 🔒 The card will be encrypted and will not be read on other devices.
• 🔄 After formatting, all data on the map will be deleted.
• ⚠️ Not all applications can be transferred to the map (depending on the developer).

To activate this mode:

1. In the notification of the new card, select "Configure".

2. Tap "Internal memory" → "Clean and format".

3. wait for the process to be completed (may take 5-10 minutes).

After formatting, the map will be displayed as part of the internal memory in the Settings section. → Memory".

5 How to transfer data to a memory card

Now that the card is installed and configured, you can transfer files to it to free up internal memory. MIUI offer several ways:

Method 1: Transfer through "Files"

1. Open the Files app (the folder icon on the desktop).

2. Go to the section "Inner memory" and select files for transfer (photos, videos, documents).

3. Press "Select" → "Move over" → choose "SD-map".

4. Specify the destination folder (e.g, DCIM for photos) and confirm the transfer.

Method 2: Automatically save to the map

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

1. Open the "Chamber" → Put it on the gear".

2. Find the item "Storage" or "Memory".

3. Choose "SD-map" instead of "Inner memory".

Method 3: Application portability (for cards only as internal memory)

If the card is formatted as internal memory, you can transfer some applications to it:

1. Go to Settings → Applications → Application Management.

2. Select the application → "Warehouse" → "Change".

3.Indicate "SD-map" and confirm the transfer.

⚠️ Note: Not all applications support porting to memory card (MIUI, Google Play Services and some games (e.g., Google Play Services, PUBG Mobile) remain in internal memory. Also, transfer can slow down the application if the memory card is slow (class) U1 lower).

Typical problems and their solutions

Even if you install the memory card correctly, you can have problems, and let's look at the most common ones and how to fix them.

What to do if the card is not determined

If your smartphone doesn’t see your memory card, follow these steps:

1. Reboot your smartphone.
2. Remove the card and check it on another device (for example, on a computer through a card reader).
3. Clean the contacts of the card and the smartphone slot with a dry soft brush or a napkin.
4. Format the card in exFAT via a computer (if the volume is >32GB).
5. Try another memory card to rule out a slot malfunction.

If none of these things worked, there may be a problem with the smartphone slot itself, in which case, contact the Xiaomi service center.

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Before buying a memory card, check it for authenticity with the help of a utility. H2testw (Windows or F3 (macOS/Linux). Fake cards often have an understated speed and the actual volume is less than the stated value.

7 How to Remove a Memory Card Without Losing Data

Incorrectly extracting the card can damage the files or the card itself.

1. mount the card in the system: Go to Settings → Memory. → SD-You can tap three dots in the top right corner and select "Disable" or "Extract." Wait for the "Safe Retrieval" notification".
2. Physical extraction: Use a paper clip or key to push the tray out. Carefully remove the card without touching the contacts.

⚠️ Note: If the card is used as internal memory, it cannot be retrieved without first turning off the settings, otherwise the data on the card will be corrupted and some applications will stop working.

If you plan to use the card on another device, pre-copy all the data to your computer. MIUI, It will not be read on other devices without additional manipulation.

8 Frequently Asked Questions