How to transfer data from the phone memory to SD-map 7A: 3 working methods

Internal memory Xiaomi Redmi 7A So, is it full of photos, videos and apps, and the phone is starting to slow down? SD-But unlike today's flagships, the budget Redmi is a map. 7A It has limitations: not all files can be moved manually, and some applications refuse to work with an external drive. In this article, we will discuss 3 proven methods of data transfer, including hidden settings. MIUI, avoiding limitations and resolving errors such as β€œInsufficient memory” or Β«SD-map not foundΒ».

The Redmi 7A features microSD support of up to 256GB (up to 128GB is officially announced, but tests show compatibility with large volumes), but simply inserting a card is not enough: you need to format it correctly, configure it as internal or external storage, and then correctly distribute files, and we will show you how to do this without data loss and root rights, taking into account the specifics of the MIUI 10/11/12 firmware.

Important: If you plan to use SD-card as internal memory (for application installation), note that after formatting it can not be removed without loss of data.

Preparation: which SD-Choose a map for Xiaomi Redmi 7A

Not all memory cards work equally well with the Redmi 7A.

  • πŸ”Ή Speed class: minimum Class 10 (UHS-I), otherwise video in Full HD It's gonna be recorded with jerks. 4K-flow U3.
  • πŸ”Ή Volume: 32GB (optimally 64–128GB) 256GB cards are supported, but can slow down when writing small files.
  • πŸ”Ή Brand: Avoid no-name - better SanDisk Ultra, Samsung EVO They're less forged and they last longer.
  • πŸ”Ή Format: microSDHC only (up to 32GB) or microSDXC (up to 64GB) microSD cards (up to 2GB) won't work.

⚠️ Note: If you bought a used card, be sure to check it for errors through the program H2testw (Windows or F3 (Linux/Mac). Fake cards often show an inflated volume, but in fact they only have a 4–8 GB of real memory. After checking, format the card into FAT32 or exFAT (via PC or telephone).

ParameterRecommendation for Redmi 7AConsequences of Wrong Choice
Class speedClass 10 (U1) or U3Recording videos with jerks, slow copying files
File systemFAT32 (up to 32 GB) or exFAT (above)Reading errors, inability to write files >4 GB
BrandSanDisk, Samsung, KingstonFast wear, data loss, low speed
Mode of usePortable (for files) or internal (for applications)Applications are not installed on the map or run slowly

πŸ“Š What's the volume? SD-You are using the cards in Xiaomi Redmi. 7A?
Up to 32GB.
64GB
128GB
256 GB or more
I don't use it.

2. Method 1: Transfer files through Explorer (without root)

The easiest method is to manually move files through the standard MIUI Explorer, which is suitable for photos, videos, music and documents, but not for applications.

Instructions:

  1. Put it in. SD-slot 7A (It is located under the cover, near SIM-card).
  2. Open the Explorer app (the folder icon on the home screen).
  3. Go to Internal Memory β†’ select a folder (for example, DCIM for photos or Download for downloads).
  4. Press your finger on file/folder β†’ click Select all (or mark the ones you need manually).
  5. Slip on the icon Move (arrow up) β†’ choose SD-map β†’ Destination folder (or create a new one).
  6. Confirm the transfer with the Insert button.

SD-map FAT32/exFAT|

There's plenty of free space on the map.|

Files are not used by other applications (e.g. music is not played) |

Backup of important data on PC

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⚠️ Note: Some system files (e.g., from an Android folder) cannot be transferred without root rights. If you try to move, miss these files or use Method 3 (from PC).

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To speed up the transfer, connect the phone to charge. With a low battery level (15%), the system can interrupt the process.

Method 2: Adjustment SD-Cards as internal memory (for applications)

If internal memory is severely lacking, it can be done. SD-This is a map that's going to expand the internal storage, and it's going to allow you to install applications on it:

  • πŸ”Έ The map cannot be removed without resetting to factory settings.
  • πŸ”Έ Application speed may decrease (depending on class) SD-map).
  • πŸ”Έ Not all apps support portability (such as WhatsApp or Banking apps).

Instructions for setting:

  1. Put it in. SD-phone-card.
  2. Go to Settings. β†’ Memory.
  3. Tap it on. SD-map β†’ Set up β†’ Internal memory.
  4. Confirm the formatting (all data on the map will be deleted!).
  5. Once completed, select Move Data Now (optional).
  6. Reboot the phone.

What if the internal memory option is inactive?
This problem arises if SD-The card has already been formatted as internal memory on another device. Solution: 1. Connect the card to a PC and format it into a computer. FAT32 programmatically SD Formatter. 2, insert the card back into Redmi. 7A If the option is still inactive, check the card for errors (it may be damaged).

Important: After formatting SD-It cannot be read on a PC or other phone without special programs (for example, DiskInternals Linux Reader).

Method 3: Transfer data over PC (for large volumes)

If you need to move tens of gigabytes of data, like movies or backups, it's easier to use a computer, faster and more reliable than copying through a phone.

Step-by-step:

  1. Get Redmi on board. 7A PC-only USB-cable (use the original cable for stable speed).
  2. On the phone, select File Transfer (MTP) connection mode (notification will appear in the curtain).
  3. On PC, open This Computer β†’ Find the Redmi 7A device.
  4. Copy files from the phone’s internal memory (Internal Storage folder) to SD-map SD Card).
  5. Once completed, safely remove the device (close session in Windows).

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When copying via a PC, the data transfer rate is 2-3 times faster than when using Explorer on a phone, which is critical for large files (for example, 4K video).

⚠️ If the PC can't see Redmi 7A, check:

  • πŸ”Ή Mi drivers installed PC Suite (download from the official website).
  • πŸ”Ή Is the debugging mode on? USB (Settings β†’ The phone. β†’ Version. MIUI β†’ 7 times tap the version β†’ return to additional settings β†’ For developers).
  • πŸ”Ή Whether corrected USB-cable (try another one).

5. Transfer of applications to SD-map: restrictions and workarounds

Even after the setup SD-Not all apps can be ported, like Facebook, Instagram and most games (PUBG Mobile, Call of Duty block this feature, but there are ways to get around the limitations:

Method 1: Through Application Settings

  1. Open Settings β†’ Applications β†’ Application Management.
  2. Select the desired application β†’ Warehouse.
  3. If the Change option is available, tap it and select it. SD-map.

Method 2: With ADB (for power users)

If the port option is blocked, you can force the application to move through ADB:

adb shell pm set-install-location 2 # Install applications on SD by default


adb shell pm move-package com.example.app /sdcard # Move specific application

⚠️ Note: This method requires enabled debugging USB It can cause app malfunctions, and don't use it for system programs (Google Play Services, MIUI Launcher, etc.).

Why some applications don’t work with SD-map?
Manufacturers block the transfer of applications that: - Use constant synchronization (messaging, mail). - Work with secure data (banking, payments). - Require high read / write speed (games with a high speed of the user's computer). 3D-If you force the transfer of such an application, it may or may not be updated.

Typical errors and their solutions

When transferring data to SD-mapping 7A We're going to have a lot of mistakes:

Mistake.Reason.Decision
SD-map not foundBad contact, damaged card or slotTry another card or clean the slot from dust with an alcohol tampon
Insufficient memory during transferThere is little space on the map or it is formatted in FAT32 (limit 4 GB per file)Format in exFAT or free up space
Files are not copied (I/O error)Damaged sectors on the map or virusCheck the card for errors via chkdsk /f (Windows) or format
Apps fly out after transferLow reading speed SD-cards (Class) 4/6)Replace the card with Class 10/U3

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If you don't have photos in the gallery after you move, update the media base: open Explorer, create an empty file called.nomedia in the photo folder, then delete it. This will force the multimedia scanner to update.

7. How to Automate the Transfer of New Files to SD-map

To avoid copying files manually, set up automatic saving to SD-map:

  • πŸ“Έ Photo and video: Open the camera β†’ Settings β†’ Memory. β†’ choose SD-map.
  • 🎡 Music and downloads: In Google Chrome or another browser, change the way you save to /storage/XXXX-XXXX/SD Card/Download (where XXXX-XXXX β€” ID your card).
  • πŸ“₯ Files from messengers: In Telegram or WhatsApp go to Settings β†’ Data and memory β†’ point the way SD-map.

To automatically transfer existing files, use the following applications:

  • πŸ”Ή Files by Google (Cleanup Function) β†’ Move it to SD-map).
  • πŸ”Ή SD Maid (requires root for full functionality).

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Automatic saving on SD-The card saves time, but keep an eye out for free space: if the card is filled, new files won’t be saved, and error notifications may not come.

FAQ: Frequent questions about data transfer to SD-map 7A

Can I transfer WhatsApp to WhatsApp? SD-map?
WhatsApp does not officially support the transfer of SD-The card, because it uses database encryption, but you can: Backup chats in Settings. β†’ chat β†’ Backup. Connect your phone to your PC and manually copy your WhatsApp folder to your PC. SD-Reinstall WhatsApp and restore chats from the backup (file) msgstore.db.crypt14 must lie in the inner memory!). ⚠️ Risk: When you update the application, the backup can fly.
Why After the Applications Are Transferred to SD-They're slowing down the map?
This is due to the slow read/write speed of the memory card. Solutions: Use a U3 or A2 card (application optimized); only port light applications (messengers, readers); leave games and social networks in internal memory; turn on Light mode in the MIUI settings to speed up work.
How to get it back SD-card-to-portable storage?
If the card has been configured as internal memory, this can only be canceled through a reset: Copy important data from the card to the PC. Go to Settings β†’ Memory. β†’ SD-Tap it as a portable card (all data will be deleted!) and then the card can be retrieved and used on other devices.
Can I use it? SD-a card as an internal memory and at the same time save a photo?
Yes, but with reservations: Photos and videos will be saved to the map automatically if the camera settings are selected. SD-However, access to files from the PC will be limited (required) MI PC Suite or root rights: When you extract the card, the applications installed on it will stop working.
What to do if your phone doesn’t see files SD-post-transfer?
The problem is usually related to: Incorrect file system: format the card in exFAT (if files >4 GB) or FAT32. Hidden files: in Explorer, enable the display of hidden files (Settings β†’ Show hidden files). Damaged data: connect the card to the PC and run the check through chkdsk /f [letter of the disk]:.