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

Installing a memory card in a Xiaomi Redmi smartphone seems like a simple procedure, but in practice users face nuances from format incompatibility to recognition errors. In this article, we will analyze the step-by-step process for all popular models from the Redmi Note 12 to the Redmi 10A, including devices with hybrid slots (where the memory card replaces the second SIM).

MicroSD: How to Choose the Right Speed Class (Class 10, UHS-I), Why is it important to format a map directly on your phone instead of on your PC, and what to do if your smartphone doesn't see the drive? MIUI: Why some Redmi models require a reboot after installing the card to show up in the system.

If you plan to use your memory card as internal storage (Adoptable Storage in Android), we’ll warn you against common mistakes, such as why this solution can slow your phone down by 15-20 — FAQ answering frequent questions, including compatibility of exFAT cards and NTFS s MIUI.

1. Which memory card to choose for Xiaomi Redmi

Not all microSDs are equally useful. Redmi has three critical considerations:

• 🔹 Volume: The maximum volume supported depends on the model. For example, the Redmi Note 11 Pro works with cards up to 1 TB, and the Redmi works with cards up to 1 TB. 9A — Only up to 512GB. Check the specifications of your model on the Xiaomi website.
• 🔹 Speed class: To record video in 4K or running applications from a card need a class UHS-I (U3) or V30. Class Cards 4/6 Suitable only for photos and music.
• 🔹 Brand: Cheap no-name cards are often forged (e.g. AliExpress sells "128GB" with a real volume of 16GB). EVO, Kingston Canvas.

⚠️ Attention: Format maps SDXC (volume >32GB) require an exFAT file system. If your Redmi is on Android 9 and below, you may need a firmware update - otherwise the card won't show up.

2.Where is the memory card slot in Redmi

The location of the slot depends on the model:

• 📱 Side slot: Most Redmis (like Note) 11, 10 Pro) tray for SIM/microSD It's on the left side of the device. K50i, where the slot is moved to the right side.
• 📱 Top slot: In budget models (Redmi) 9A, 10A) The tray can be on top, next to the headphone jack.
• 📱 Hybrid slot: If the phone has only 2 slots under SIM, One of them is combined with microSD (for example, in Redmi Note). 10S). This means that to use the memory card, you will have to donate a second one. SIM-card.

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To find the slot, flash a flashlight on the ends of the phone - look for a small hole for the key-clip. On some models (for example, Redmi K40), the slot is hidden under a protective cover that you need to gently tamper with.

⚠️ Note: Do not confuse a memory card slot with a connector for IR-port (infrared transmission) - it is in the models of Redmi Note 8 Pro and older. IR-The port looks like a small black window, and the slot for the SIM/microSD always has a metallic edge.

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

Turn off the phone before installing it, which will prevent damage to the slot contacts.

1. Remove the tray: Take a clip (or a special key from the Redmi kit) and gently press the hole next to the slot. The tray will extend 2–3 mm - pull it with your fingers.
2. Position of the map: 🔧 If the slot is hybrid, the memory card is installed instead SIM2 (conventionally marked as a microSD on the tray). 🔧 If the slot is separate, the card is inserted into its connector (most often on the right on the tray).

MicroSD contacts should be face down, the beveled angle should be to the phone body.

Fixation

Make sure the tray is fixed|Check that the card is inserted by the contacts down|Remove the protective film from the new microSD (if any)|Do not turn on the phone if the tray is staggering-->

After switching on the phone will be a notification "New" SD-If you don't have one, go to Settings. → Warehouse and press "Update".

4. Set up a memory card in MIUI

Once the card is recognized, the system will offer two use cases:

• 📁 Portable storage: The card works like a flash drive - files can be transferred manually. Suitable for photos, music and backups.
• 📱 Adoptable Storage: The card is formatted as part of the phone's memory, and applications can be installed on it, but the card is not: ⚠️ After the map is removed, the applications will stop working. ⚠️ Phone speeds can drop (especially on Class 10 cards instead of the same as the other cards). UHS-I).

To change the settings later:

1. Go to Settings. → Warehouse.
2. Tap by the name of the card (for example, SD-map: 128GB).
3. Select "Format as internal" or "Format as portable".

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Formatting as an internal storage is irreversible – after that, the card will not be read on other devices without completely erasing the data.

5 Why Redmi doesn't see the memory card: Solutions

If the map does not appear after installation, check:

If the card was previously used in another device (for example, in a camera), it must be formatted in the phone:

1. Go to Settings. → Warehouse → SD-map.
2. Click Format and select exFAT (for cards >32GB) or FAT32.
3. Confirm the action. It'll take 1-5 minutes.

6. How to transfer data to a memory card

To free up Redmi’s internal memory, transfer to microSD:

• 📸 Photo and video: Open the gallery, highlight files → "More" → "Move it" → "SD-map".
• 🎵 Music and Documents: Use File Manager MIUI (Download or Music folder").
• 📱 Applications (only for cards formatted as internal): Settings → Annexes → Select an application → Warehouse → Change. → SD-map.

⚠️ Note: Not all apps support card porting, such as WhatsApp and Telegram only store media in internal memory (MIUI Launcher, Settings – This can cause crashes.

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To automatically save the photo to the map, open the Camera, go to Settings → Save location and select "SD-This will save you space in your internal memory when you're shooting in a video. 4K or RAW.

7.How to remove a memory card without damage

Misremoving microSD can cause data loss or damage to contacts.

1. Open the map in the settings: Settings → Warehouse → SD-map → Extract (or "disable"). Wait for the "Safe extraction" notification".
2. If the card is used as an internal storage device, it can't be extracted without formatting. First, transfer all the data back to the internal memory.
3. Turn off the phone before physically removing the card (especially if the tray is tight).

⚠️ Note: If you extract the card while you're recording files (e.g., while shooting videos), it can damage the file system. It's difficult to recover the data later, and you'll need programs like Recuva or DiskDigger.

FAQ: Frequent questions about memory cards in Redmi