How to set up the installation of applications on SD-Xiaomi Redmi 9 map: all ways + fixing

Owners of Xiaomi Redmi 9 Often face a lack of internal memory, especially if the device is used for games, photos or a large number of applications. SD-The map seems to be a logical solution, but in MIUI This process has nuances: starting with the Android version 6.0 Google has limited the full portability, and manufacturers have added their own features. 9 (including Redmi models 9A/9C/9T), Considering the firmware version and type of memory card.

Despite the fact that MIUI 12/13/14 Officially supports the function of "Transfer to the SD", It doesn't work with all apps, like messaging apps (WhatsApp, Telegram) and games (PUBG Mobile, Genshin Impact often block this option, and we'll look at not only the standard settings, but also the standard settings. ADB-commands, map formatting as an internal drive, and alternative solutions – from cleaning the cache to using cloud services.

Before you start, check:

• 📱 Version MIUI: Settings → The phone. → Version. MIUI. The instructions may differ for MIUI 12.5 and MIUI 14.
• 💾 Type SD-Cards: MicroSD Class only 10/UHS-I (SanDisk Ultra or Samsung recommended EVO Class cards 4/6 may not be supported.
• ⚙️ File system format: FAT32 (Up to 32GB) or exFAT (over 32GB) will require formatting as an internal drive. ext4.

⚠️ Attention: Formatting SD-The card as an internal drive will lead to encryption and the inability to use on other devices!

1. Standard Application Transfers through MIUI Settings

The easiest way is to use the built-in MIUI function. It is suitable for most “light” applications (for example, Facebook Lite, VK, Yandex.Maps), but does not work with games and system programs.

Instructions:

1. Open Settings → Applications → Application Management.
2. Select the app you want to migrate (like Google Maps).
3. Press Warehouse. → Change. → SD-map.
4. Confirm the transfer. The process may take a few minutes.

If the Change button is inactive or not, the application does not support the transfer, in which case one of the alternative methods will help (see sections below).

2. Formatting SD-card-based

This method combines internal memory and SD-Advantage: applications are automatically installed on the map:

• 🔒 The card becomes encrypted and works only on this phone.
• 🐢 Application speed may decrease (depending on class) SD-map).
• 🚫 Not all apps will work correctly (especially anti-cheat games).

Step-by-step:

1. Put it in. SD-map.
2. Go to Settings. → Warehouse → SD-map → Set up → Internal memory.
3. Confirm the formatting (all data will be deleted!).
4. After the process is complete, select Move Data Now (optional).

⚠️ Warning: Once formatted as an internal drive, the card will not be retrieved without resetting the phone to factory settings (UHS-I or A1/A2).

3. Transfer applications over ADB (for power users)

If standard methods don't work, you can use Android Debug Bridge (ADB), which allows you to force transfer even those applications that block the function in the settings, you need a PC with Xiaomi drivers installed and USB debugging enabled.

Instructions:

1. Enable USB Debugging: Settings → About Phone → MIUI Version (click 7 times) Settings → Additional → For Developers → Debugging by USB
2. Connect Redmi 9 to your PC and confirm debugging permission.
3. Download ADB Tools and unpack it into a folder.
4. Open the command line in this folder and type: adb shell pm set-install-location 2 (this will set up the file). SD-Map as the default installation location for supported applications).
5. To force a specific application to be ported, use: adb shell pm move-package com.example.app (replace com.example.app with an application package, for example, com.whatsapp).

To return the default settings, do:

adb shell pm set-install-location 0

💡

Before using ADB, check the list of installed application packages with the adb shell pm list packages command. This will help specify the name of the package to be transferred.

4. Alternative ways to free up memory

If the application portability is not possible or doesn’t solve the problem, consider these methods:

• 🧹 Cache Clearing: Go to Settings → Warehouse → Clean.Delete unnecessary files (especially the Google Play Services and social media cache).
• ☁️ Cloud Storage: Move photos and videos to Google Photos, Mi Cloud or Yandex.Disk. Enable autoload:
• 🔄 Media Transfer: Use a file manager (such as Mi File Manager) to manually move music, videos, and documents to the file. SD-map.
• 📦 Lite versions of applications: Replace "heavy" applications with lightweight ones (Facebook Lite, Messenger Lite, Spotify Lite, etc).

For games, we recommend:

• Remove unused games through Settings → Applications → Delete.
• Turn off auto-update games in Google Play: Settings → Auto-Update apps → Never.
• Use SD Maid or Files by Google to search for duplicates and junk.

5. Solving common problems

When transferring applications to SD-Redmi 9 users are faced with typical errors:

Problem 1: The “Move to SD” button is inactive

• 📌 Reason: The app does not support transfer (e.g. WhatsApp, Banking apps).
• 🔧 Solution: Use ADB (Section 3) or install the app on a map via Google Play with a choice of storage location (if available).

Problem 2: After the transfer, the application does not work

• 📌 Reason: The memory card is too slow (class below Class 10) or the app uses the memory card. OBB-files (e.g. games).
• 🔧 Solution: Move only a portion of the data (such as cache) through Settings → Warehouse → Other applications. Use a map marked A1 or A2 (optimized for applications).

Problem 3: The phone can't see SD-map

• 📌 Cause: Incorrect file system format or card corruption.
• 🔧 Solution: Reformat the map into FAT32 via PC (use) SD Formatter. Check the map for errors: Settings → Warehouse → SD-map → Check it out.