Redmi 5 does not see the memory card: what to do if the smartphone does not recognize the microSD

Xiaomi Redmi 5 is one of the most popular budget smartphones of the brand, but even it is not immune to problems with memory cards. If your Redmi 5 has stopped seeing microSD, do not rush to buy a new one: in 80% of cases, the malfunction is fixed by software methods. In this article, we will analyze all possible causes - from banal contamination of contacts to failures in the firmware of MIUI, and also give step-by-step instructions with illustrations and warnings about typical errors.

The Redmi 5 (codenamed rosy) features a hybrid slot for two. SIM-card SIM + microSD. This means that the problem may lie not only in the card itself, but also in the slot mechanism. We tested all the methods on real devices and weeded out ineffective methods — in this article only those solutions that are guaranteed to work on the machine. MIUI 9–14 (including global and Chinese firmware versions).

1. Check the physical condition of the card and slot

Start with the obvious: check the memory card for damage. Microcracks, chipped contacts, or melted contacts are a sure sign that the microSD will have to be replaced. Pay special attention to gold contacts: if they are dimmed or covered with plaque, it can block the connection.

Also check the card slot in your smartphone:

• 🔍 Contact contamination: dust, fabric fibers or oxidation can interfere with contact. Carefully clean the slot with a dry toothpick or compressed air (a canister for the technique).
• 📱 Density of fit: insert the card before the click. If it dangles, the tongue of the fixator may be bent (this is a common problem after phone falls).
• 🔌 Test in another device: insert a microSD into another smartphone, tablet or card reader, and if you can't see it there, the card is defective.

⚠️ Warning: Do not use alcohol or wet wipes to clean your contacts! Redmi 5 has no liquid protection and getting moisture into the slot can cause corrosion.

2. Phone Settings: Why Redmi 5 doesn't recognize SD-map

Even if the card is in good working order, misconfigured MIUI settings can block its display.

1. Open the Settings → Memory.
2. Scroll down to the External Memory block. If the card is identified but not mounted, tap the card's name and select Connect.
3. If the card doesn’t show at all, go to Settings → Additional → Storage and check if the External Storage switch is on.

On Redmi 5 with MIUI 10+, you can reset your storage settings:

1. Go to Settings → System → Reset settings.
2. Select Reset Storage Settings (not to be confused with a full reset!).
3. Confirm the action and restart the phone.

3. Memory card formatting: when and how to do

If Redmi 5 sees a map but can't read it (it gives you a "Map corrupted" or "Unknown file system" error), it's likely that formatting will be required.

Methods of formatting:

• 📱 Through phone: Open the settings → Memory. → External memory. → Settings (⚙️) → Format. Select the file system. FAT32 (for cards up to 32 GB or exFAT (64 cards)+ GB).

Through the PC.

1. Connect the card to the computer through the card reader.
2. Open This Computer, Find a Removable Disc, Right-Click → Format.
3. Select FAT32/exFAT and click Start.

⚠️ Note: If the card has been formatted in NTFS On PC, Redmi 5 won't see it. FAT32 exFAT.

4.Firmware problems and software failures

Sometimes the card is not defined after the MIUI update or because of a conflict of system processes.

• 🔄 Restart Safe Mode: Press the power button before the turn off menu appears. Press and hold → You'll see a suggestion to go to Safe Mode, confirm and check if you can see the map, if you can, a problem in a third-party app.
• 📲 Cleaning the cache of system applications: Go to Settings → Annexes → Application management. Open Storage (three dots at the top) → Clear cache for Setting up and Storage.

Resetting settings to factory

1. Make a backup copy of the data.
2. Go to Settings → System → Resetting → Delete all data.

💡

If Redmi 5 stopped seeing the memory card after falling, getting moisture or overheating, 90% probability of hardware failure.

7. Alternative ways to use a memory card

If you can’t restore the card in Redmi 5, but it is good, consider these options:

• 💻 USB-OTG Adapter: connect the card through the card reader to the phone USB. Redmi 5 is supported by OTG, You will need a microUSB adapter. → USB-A.
• ☁️ Cloud Storage: Transfer files from the card to Google Drive, Mi Cloud or Yandex Drive, and then download them to your phone.
• 📱 Outside SSD-Driver: If you need large amounts of memory, buy a portable SSD supportive OTG (for example, Samsung T7).

FAQ: Frequent questions about memory cards in Redmi 5