How to allow access SD-map on Xiaomi Redmi 8A: 5 working methods

Xiaomi Redmi 8A — One of the most popular budget smartphones, but many users face a problem: the phone does not see SD-This can happen after you update the system, reset the settings, or even when you first connect the drive, and in most cases, the problem is solved without going to the service center, just adjust the system settings correctly or format the memory card.

In this article, we will discuss all possible reasons for blocking. SD-maps 8A (including Redmi models 8A Dual and Redmi 8A Pro) and give you step-by-step instructions to eliminate them:

• 🔧 Set up a memory card as a portable or internal storage
• 📱 Fix reading errors through Android settings and MIUI
• 🔄 Format SD-card without data loss, if possible)
• 🛠️ Restoring access after a firmware failure or update
• 🔒 Bypassing restrictions MIUI file-writing

All methods have been tested on current versions of MIUI 12.5-14 (including global and Chinese builds) and are suitable for memory cards of microSD, microSDHC and microSDXC formats up to 512 GB. If your Redmi 8A does not recognize the card even after all the manipulations, at the end of the article you will find a list of hardware reasons and solutions.

1. Verification of compatibility SD-cards from Xiaomi Redmi 8A

Before you try to "unlock" the memory card, make sure it's compatible with your smartphone.Redmi 8A supports microSD cards up to 512GB, but there are nuances:

• 📌 File system format: MIUI It only works correctly with FAT32 (up to 32 GB) and exFAT (from 64 GB). NTFS or EXT4 will not be recognized.
• 🔋 Speed class: To record video in 4K Frequent file transfer is recommended UHS-I (U1/U3) class 10.
• 🔄 Fakes: Cheap cards from unknown brands often have less than the actual volume claimed. SD Insight.

Critical information: Xiaomi Redmi 8A It does not support Adoptable Storage (Use of the Service) SD-Cards as internal memory on versions MIUI If your firmware is older, the card will only be available as a removable drive.

If your card meets the requirements but still isn't defined, move to the next section. If you don't, replace it with a compatible model.

2.Tune in. SD-Cards as a removable or internal storage

By default, Xiaomi Redmi 8A Provides two options for use SD-map:

1. Portable storage – files are saved to the map manually, applications are not portable.
2. Internal Storage – The card is formatted and used as part of the phone’s memory (not available on all MIUI versions).

To change the type of storage:

1. Insert the card into the microSD slot (on Redmi). 8A It's combined with a tray for SIM-map).
2. Open the Settings → Storage.
3. Tap your name on it. SD-maps, for example, SD-map: 128GB).
4. In the upper right corner, press three dots (⋮) and select Storage Settings.
5. Choose Format as internal (if the option is active) or Portable Storage.

Create a backup copy of data from the card|Check the battery charge (>50%)|Connect the phone to charging|Close all working applications-->

⚠️ Note: Formatting the card as an internal storage will delete all data and make it unusable for use in other devices without re-formatting. This option is only suitable if you critically lack internal memory.

If the option to format as internal is not available:

• 🔹 Update. MIUI Up to the latest version (see section 5).
• 🔹 Check if root access is installed on the phone – this can block the function.
• 🔹 Try formatting the card on your PC in exFAT and pasting it back in.

3. Correction of Reading Errors through MIUI Settings

If SD-The card is determined by the system, but the files are not opened or a notification appears "SD-The card is damaged, follow the following steps:

Method 1: Rewire the map

1. Go to Settings. → Warehouse → SD-map.
2. Click Extract (even if the card is physically inserted).
3. Wait 10 seconds and press Connect.

Method 2: Cleaning the storage cache

1. Open Settings → Applications → Application Management.
2. Put three points on it (⋮) and select to show all processes.
3. Find a Warehouse or Media Storage, open it.
4. Click Clear the cache and Clear the data.
5. Reboot the phone.

Method 3: Resetting access rights

Sometimes applications (especially file managers) lose the rights to work with the software. SD-To throw them off:

1. Go to Settings → Applications → Permissions.
2. Choose Warehouse.
3. Find an application (such as Files or Gallery) in the list and enable access to it. SD-map.

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If the card is not read again after the reboot, try inserting it into another smartphone or PC, and if the problem persists, the card is physically damaged and needs to be replaced.

4. Formatting SD-cards without data loss, if possible)

If the memory card is identified by the system, but the file system is damaged, you can try to restore it without full formatting.

Method 1: Through PC (recommended)

1. Get Redmi on board. 8A computer-to-computer USB-cable.
2. Select File Manager (MTP) file transfer mode.
3. Open this computer (Windows) or Finder (macOS) and find your computer. SD-map.
4. Copy all important files to the hard drive.
5. Right-click on the map and select Format.
6. Specify the file system: For cards up to 32 GB, FAT32. For cards up to 64 GB, exFAT.

After formatting, return the files back.

Method 2: Using the phone (if the PC is not available)

1. Go to Settings. → Warehouse → SD-map.
2. Click Format (or Settings → Format).
3. Confirm the action.

⚠️ Note: If the card was formatted as internal storage, it cannot be formatted via PC, just through the phone settings. Trying to do this on your computer will lead to the error "Windows can't format this disk".

5. Update MIUI correcting errors with SD-map

Old versions. MIUI (Below 12.0.5) were bugs that could have prevented the phone from seeing SD-maps after rebooting or updating:

Step 1: Check the current version of MIUI

1. Open the settings → About the phone → version of MIUI.
2. If the version is older than 12.0.5, update it.

Step 2: Update the firmware

1. Go to Settings → About the phone → System update.
2. Click Check for updates.
3. If an update is available, download and install it.

Step 3: Reset settings (if the update didn't help)

In rare cases, after updating the settings, the storage is reset. SD-map:

1. Go to Settings → System → Resetting settings.
2. Select Reset App Settings (this won’t delete your files, but will reset permissions).
3. After restarting, reconfigure access to SD-map (see section 2).

How to diagnose:

1. Try inserting. SD-If it doesn't work everywhere, the card is broken.
2. Insert a different working card in Redmi 8A, if it is not identified, the problem is in the slot or phone.
3. Light a flashlight into a microSD slot – if the contacts are bent or corrosion-covered, repair is required.

Decisions:

• 🔧 Clearing contacts: Gently wipe the contacts of the card and slot in the phone with alcohol or eraser.
• 🛠️ Connector repair: If the contacts are bent, they can be straightened with a thin needle (risky - it is better to contact the service).
• 📲 Replacement card: If the card is faulty, buy a new one (we recommend SanDisk Ultra or Samsung). EVO).

The cost of repairing a microSD connector in the service center is from 800 to 1500 rubles (depending on the region). If the phone is warranty, contact the official Xiaomi service - repair can be free.

7. Alternative means of access to SD-map

If standard methods didn’t work, but the card is physically good, try these options:

Method 1: Use of the OTG-adapter

If the microSD slot is not working, USB-port:

1. Buy it. OTG-adapter with a microSD connector (costs) ~200 rubles).
2. Connect the adapter to the phone and insert it into it. SD-map.
3. The files will be accessible through any file manager.

Method 2: Connecting via PC

If the phone sees the card but can't read it:

1. Connect Redmi 8A to your PC via USB.
2. Select File Transfer Mode (MTP).
3. Copy the data from SD-Maps to your computer, format it and return the files back.

Method 3: Applications for Access Restoration

Some applications can help you bypass the limitations of MIUI:

• 📁 Solid Explorer – File Manager with Extended Access Rights.
• 🔧 SD Maid – utility for cleaning and repairing the file system.
• 🛠️ Fix SD Card - a specialized application for correcting memory card errors.

⚠️ Warning: Do not use root-rights apps unless you understand the consequences. Wrong actions can lead to a phone blink (completely inoperable.

FAQ: Frequent questions about SD-maps on Xiaomi Redmi 8A