How to insert a memory card in Xiaomi Redmi 8: instructions with photos and tips

Owners of Xiaomi Redmi 8 often face the need to expand the memory of the smartphone — especially if the model was purchased with a minimum built-in drive (16 or 32 GB). The microSD card becomes an easy solution, but its installation has nuances: hybrid slot, format requirements and potential recognition errors.

Many users are afraid of damaging the smartphone for the first time. SIM-Indeed, Redmi 8 uses a hybrid tray where the second slot is combined with the space for the memory card, which means you have to choose between the second one. SIM We're going to show you how to avoid the typical errors and get the device ready.

Unlike Xiaomi’s flagship models, where the microSD slot is made separately, Redmi 8 integrates it into the tray for the mobile device. SIM-This requires care: improper installation can lead to card jams or damage to contacts. It is also important to consider that the smartphone supports cards up to 512 GB, but only in the format of the card. FAT32 ExFAT – This is often forgotten when buying.

If you have never opened the door for SIM-Don't worry, the Redmi 8 design is easy to access, and the key is to use a needle from the kit (or a thin metal object) to avoid damaging the extraction mechanism. In this article, you will find step-by-step photos, a card compatibility table, and answers to frequent questions, such as why a smartphone doesn’t see a microSD after installing it.

1. Which memory card to choose for Xiaomi Redmi 8

Before buying a memory card, check its compatibility with Redmi 8.The smartphone supports microSD, microSDHC and microSDXC up to 512 GB, but there are important nuances:

• 🔹 Speed class: Minimum recommended Class 10 (or UHS-I U1). To record video in 4K Or to transfer large files frequently, it is better to choose UHS-I U3 or V30.
• 🔹 File system format: cards up to 32GB usually go to FAT32, 64GB - in exFAT. Redmi 8 supports both formats, but NTFS unrecognisable.
• 🔹 Brand: Give preference to proven manufacturers — SanDisk, Samsung, Kingston or Transcend. Cheap cards without a brand are often forged, indicating an inflated volume.

Pay attention to the hybrid slot in Redmi 8: if you use two SIM-The card will not be able to insert the memory card - you will have to choose between the second SIM It's a limitation of Xiaomi's budget model architecture.

If you plan to record high-resolution video or install heavy games on a map, take a model labeled A1 or A2 — they are optimized for working with applications, for example, SanDisk Ultra microSDXC UHS-I A1 or Samsung EVO Plus.

2. Preparation of the smartphone before installing the card

Before you insert a memory card, follow a few simple steps to avoid problems:

1. Turn off your smartphone. It is a must-have - hot replacement of the memory card (without turning off) can damage the file system or the drive itself.
2. Check your current storage capacity. Go to Settings → About Phone → Storage to see how much space your apps and media are using, and this will help you choose the optimal microSD size.
3. Back up your data. If you've already used the card on another device, copy important files from it to your computer, and when formatted in Redmi 8, they'll be deleted.

If you move a card from another phone, you’ll need to format it directly in Redmi 8. Android may not recognize the file system created on other brands’ devices (such as Samsung or iPhone).

Turn off the smartphone

Check the vacant space in the vault

Make a backup of data from the card (if used)

Prepare a needle or paper clip to remove the tray

Make sure the card is compatible with Redmi 8-->

Pay special attention to the tray for SIM-In Redmi 8, it's on the left side of the screen. The extraction hole is very small -- don't try to open it with a nail or with blunt objects. Use only a needle from the kit or an unbended clip.

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If the needle from the set is lost, take a stationery clip, unburden it and bite off the tip with clippers ~ 3 mm long. The main thing is that the object is thin and hard, but not sharp (so as not to scratch the body).

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

Now, to the process itself, follow the instructions carefully so that you don't damage the tray or the card contacts:

1. Remove the tray for SIM-Insert the needle into the hole on the left side of Redmi 8 (near the volume buttons) and press slightly until the tray is pushed out. Carefully pull it over.
2. Put the tray on a flat surface. Notice the tags: usually a microSD slot is signed or highlighted in a different color. In Redmi 8, it is located on the right (when you look up at the tray).
3. Install a memory card. The microSD contacts should be downward, and the bevelled angle should match the shape of the slot. You don't have to press the card in, it should come in easily, with a click.
4. Put the tray back where it is. SIM-cards (if installed) and microSD do not protrude beyond the edges of the tray. insert it back into the smartphone before the characteristic click.

If the card doesn't come in or the tray isn't fixed, don't make an effort! You've probably confused the microSD orientation. Take out the tray and check again.

Important: Redmi 8 has a hybrid memory card slot, which means you can use either two nano-SIMs or one nano-SIM. + microSD, two at the same time. SIM-Memory cards and cards cannot be installed.

4. Set up the memory card after installation

Once the smartphone is turned on, the Xiaomi Redmi 8 will automatically detect the new memory card and prompt you to configure it.

• 📱 Portable storage – the card will only be used to store files (photos, videos, music) and applications cannot be installed on it.
• 🔧 Internal memory: The card is formatted as part of the system, and some applications can be transferred to it. This mode is irreversible: once formatted, the card cannot be read on other devices without completely erasing the data.

For most users, the first option (portable storage) is suitable, the second one is worth choosing only if you critically lack space for applications and are willing to sacrifice the compatibility of the map with other gadgets.

If your smartphone does not see the memory card, follow the following steps:

1. Reset the device.
2. Check if the microSD is installed correctly in the tray (re-insert and re-insert).
3. Go to Settings → Memory → Memory Map and click Format (all data will be deleted!).
4. If the card is still not recognized, try it on another device (for example, on a computer through a card reader), it may be damaged.

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Formatting the card as internal memory speeds up applications, but makes it tied to a particular smartphone, and once formatted, the data on the card will be encrypted and impossible to read on a PC or other phone.

5. Typical errors and their solutions

Even with the right memory card installation, Redmi 8 users sometimes face problems.

One common mistake is trying to use a card formatted in NTFS. Android doesn't support this file system for removable media. If you plugged the card into Windows and formatted it there, return the format to FAT32 or exFAT through standard system tools.

⚠️ Note: If you remove a memory card from Redmi 8 formatted as internal storage and paste it into another smartphone or PC, the data will not be available.

Another typical situation is that the card works, but the applications are still installed in internal memory, and the fact is that not all programs support microSD porting. → Apps, select the desired application and see if the button is active. SD-map.

6. How to transfer data to a memory card

Once installed successfully, you can free up Redmi 8's internal memory by transferring files and applications to it.

File transfer (photo, video, music):

1. Open the Files app (or any file manager).
2. Select the files you need, click Cut or Copy.
3. Go to the memory card section (usually called the memory card section). SD-map or External Storage).
4. Press Insert.

Portability of annexes:

• 📲 Go to Settings. → Annexes.
• 📲 Select the application you want to transfer.
• 📲 Press Warehouse. → Change. → SD-map.

Not all applications can be migrated to a map, for example, system utilities and some games (such as PUBG Mobile or Genshin Impact) remain in internal memory, and note that migrating applications to a microSD can slow them down slightly, especially if the card is low-speed.

⚠️ Note: If you transfer applications to a card formatted as internal memory, do not remove it without first extracting it in the settings.

To automatically save new photos and videos to the memory card:

1. Open the Camera app.
2. Press on. ⚙️ (Settings).
3. Select a Retention Site → SD-map.

7 How to safely remove the memory card

It is not enough to just pull a card out of Redmi 8, which can cause files to be corrupted.

1. Open the Settings → Memory.
2. Press on. SD-map.
3. In the upper right corner, select ⋮ → Extract.
4. Wait for the Safe Retrieval Notice.
5. Remove the tray and get the map.

If you just pull out a card without safe extraction, risk losing unsaved data, or damage the file system, especially if the card is used as internal memory, then applications can crash.

If the smartphone doesn't respond to the extract command, try restarting it. After rebooting, try again. In extreme cases, you can forcibly remove the card, but only do this if it is not used (for example, video recording or file transfer is not happening).

8. Frequent questions about memory cards in Xiaomi Redmi 8