Xiaomi Redmi 9C โ A budget smartphone with microSD cards up to 512GB, but many users are facing a problem: the card inserted does not appear in the gallery or is not visible in the explorer. The reasons can be different, from improper formatting to a failure in Android settings. In this article, we will discuss all working methods of accessing files on the SD-map, including hidden folders and system restrictions MIUI.
Itโs important to understand that Redmi 9C runs on Android 10 (Go Edition) with a MIUI 12 shell, where access to external drives can be blocked due to security policies. Weโll look at not only standard methods (via Files and Gallery), but also alternatives โ connecting to a PC, using third-party file managers and even ADB commands for power users.
1. Connection check SD-card in phone settings
Before you search for files, make sure the smartphone actually โseesโ the memory card. On the Redmi 9C, the path to settings for the drive is not obvious:
- Open the settings (cog icon on the desktop).
- Go to Memory (or Storage in some versions of MIUI).
- Scroll down to the Portable Device or SD-map.
If the card is displayed here, but not visible in the explorer, the problem is access settings.
- ๐ Reboot your phone โ sometimes helps with temporary crashes.
- ๐ฑ Remove and insert the card again (pre-turn off the smartphone!).
- ๐ ๏ธ Check out the slot: on Redmi 9C It's combined (2). SIM + 1 microSD), make sure the card is inserted with the correct side.
โ ๏ธ Note: If after extracting the card, the smartphone writes ยซSD-The card is corrupted, don't format it right away over your phone! Connect to your PC and try to recover data using TestDisk or Recuva โ MIUI Often mistakenly diagnoses good cards.
2. Standard browsing through the Files app
V MIUI There's a built-in file manager, the Files app, which is the yellow folder icon, to see. SD-map:
- Open Files โ go to the Category tab (bottom of the screen).
- Slip it on the device. โ a line should appear at the top of the screen SD-map.
- If it is not, click on the three dots in the upper right corner. โ Settings โ Turn on the option to show SD-map.
Inside the memory card you will see the standard folders:
- ๐ท DCIM โ photo and video.
- ๐ต Music, Pictures, Downloads โ Media Files.
- ๐ Android โ Application data (often hidden!).
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If the Android folder is not visible, turn on the hidden files in the Files app settings (three dots โ Settings โ Show hidden files).
If the card is visible but the files are not opened (for example, a photo in the Gallery), the reasons may be:
| Problem. | Decision |
|---|---|
| Files are grey (unavailable) | Check access rights: Settings โ Applications โ Gallery โ Permissions โ Memory. |
| Photo/video not displayed | Update the media base: open the Gallery, tap three points โ Update. |
| Read-only map | Check the switch on the SD adapter (if you use it) or format the card in FAT32. |
3. Access via PC (the most reliable way)
If your smartphone doesn't see the card, but it's working, connect the Redmi 9C to your computer.
- Use the original. USB-cable (low-quality cables may not transmit data).
- On your phone, select File Transfer (or MTP) mode in the connection notification.
- On PC, open This Computer โ There Will Be a Redmi Device 9C with two parts: internal memory and SD-map.
If the card is not displayed on the PC:
- ๐ฅ๏ธ Check Device Manager (Windows): if there is an exclamation mark on a Memory device, update the driver.
- ๐ Try another one. USB-port (preferably) USB 2.0 โ they work more stable with storage devices).
- ๐ ๏ธ Connect the card through the card reader - this will eliminate the problem with the phone.
What to do if the PC asks to format the card?
โ ๏ธ Note: When connecting to a Mac card in exFAT format or NTFS Use Android File Transfer or format the map in FAT32 (But consider the 4GB file size limit!).
4.Use of third-party file managers
Built-in Files from MIUI Often hides system folders and doesnโt show the full structure SD-maps. Alternatives:
- ๐ Solid Explorer โ supports cloud storage and FTP, Shows hidden files.
- ๐ FX File Explorer โ There is built-in Root access (if the phone is rooted).
- ๐ก๏ธ Total Commander โ a classic manager with support for archive plugins.
How to configure Solid Explorer to work with SD-card:
- Install the app from Google Play.
- Open it and give access to the memory.
- In the side menu, select Warehouse โ SD-map.
- To display hidden files: โฎ โ Settings โ Show hidden files.
Install the application from the official store
Provide access to memory and SD-map
Update the media base (if files are not displayed)
Check the settings for displaying hidden folders-->
On the Redmi. 9C s MIUI 12 some managers (e.g., some managers, ES The conductor may not see SD-map due to Google restrictions for Android Go. in this case, use Solid Explorer or FX โ They are optimized for low-performance devices.
5. Solving problems with map display
If SD-The map is determined in the settings, but not opened โ reasons and solutions:
| Symptoms. | Reason. | Decision |
|---|---|---|
| The map is visible, but the files are not opened. | A damaged file system | Connect to the PC and execute chkdsk. |
| SD-The map appears and disappears | Bad contact at the slot | Clean the slot with alcohol or replace the card. |
| Read only, you can't write files. | Card blocked or NTFS format | Switch the lever on the adapter or format it in FAT32. |
| Not visible in the Gallery, but visible in the Files | Media scanner failure | Delete the.nomedia file at the root of the card or reboot the phone. |
To reset access settings to SD-map:
- Go to Settings โ Applications โ Application Management.
- Press three points. โ Reset permits.
- Reboot the phone.
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If the card worked before, but suddenly stopped showing - in 80% of cases, the fault in the media provider solves the problem of clearing the cache of the Gallery and Files applications through settings.
6. ADB-Experienced users (if nothing helps)
If SD-The card is not determined even in the settings, but physically fit - you can try to reset its mounting through ADB. For that:
- Turn on Developer Mode on Redmi 9C: Settings โ About Phone โ MIUI version (shoot 7 times).
- Return to Settings โ Additional โ For developers and enable USB debugging.
- Connect your phone to your PC, install ADB, and execute the commands:
adb shell
sm list-disks
sm set-force-adoptable trueIf the card is defined as disk:179.0 (example), mount it forcefully:
sm partition disk:179,0 privateโ ๏ธ Attention: Teams ADB They can delete all data from the card if it is formatted as internal memory! Use this method only if other methods have not helped and you have a backup.
7. Formatting SD-cards (extreme case)
If the card is damaged and can't be read on any device, it can be formatted.
Better to do it on PC:
- Connect the card through the card reader.
- Open this computer. โ PKM SD-map โ Format.
- Select the file system: FAT32 is compatible with all devices (max. file 4 GB). exFAT is for files >4 GB (but may not be readable on older devices).
On the phone:
- Settings โ Memory. โ SD-map โ Format.
- Select a portable device (not internal memory!).
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After formatting, create a DCIM folder at the root of the maps โ this will help the Gallery to index new photos correctly.