How to combine memory card with internal memory on Xiaomi Redmi 7: the complete guide

Xiaomi Redmi 7 is a popular smartphone with the ability to expand memory with a microSD card, but simply inserting a drive is not enough: to maximize the use of space, the card can be combined with internal memory into a single storage. This feature, known as Adoptable Storage, allows you to install apps directly to the site. SD-card, saving space in the main memory of the device.

But there are nuances to the process: not all memory cards are suitable, and misconfiguration can lead to data loss or performance loss in a smartphone. In this guide, we will detail how to safely combine memory on Redmi 7, which formats to choose, and what to do if the system refuses to "accept" the drive, and you will learn how to return everything back if the result does not suit.

What is Adoptable Storage and Why Memory is Memory

Adoptable Storage is a technology from Google that allows you to use a microSD card as part of the internal memory of an Android device. On the Xiaomi Redmi 7 (with MIUI firmware based on Android 9 Pie), this feature is available, but with limitations.

• 📲 The ability to install applications directly to SD-map (including system updates).
• 📂 Automatic file distribution: photos, videos and cache of applications are saved on the combined drive.
• 🔄 Simplified memory management – the system perceives the card as an internal storage.

But there are downsides:

• ⚠️ The card becomes “tied” to the device – it cannot be removed without formatting.
• ⚡ Productivity depends on the class SD-Maps: cheap models will slow down the smartphone.
• 🔄 When resetting the phone to factory settings, the data on the map will also be deleted.

⚠️ Note: If you use the card as a portable storage (for transferring files between devices), you can not combine it with internal memory - after formatting in Adoptable Storage, it will become unavailable on other gadgets.

Requirements for a microSD card to combine

Not every memory card is suitable for Adoptable Storage, and the following criteria apply to Redmi 7:

Importantly, cheap cards without a brand or with suspiciously high volume (like “256 GB for 500 rubles”) are often fake, not only will they not speed up the phone, but they can also damage data.

How do you know your card's class? Look at the card's case: usually the class is shown as a number in a circle (like 10) or a U with a number. For Redmi 7, the minimum option is Class 10, but you'd better choose UHS-I U3 for smooth application operation.

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Before buying a card, check it for authenticity with H2testw (Windows) or F3 (Linux/macOS) utility.

Step-by-step: how to combine memory on Redmi 7

It's a process that takes several steps. It's important that you copy all the data from the map to your computer before you start, and it's completely formatted!

Insert microSD into Redmi 7 slot (under the tray) SIM-map)

Copy all files from the map to the PC or cloud

Charge your phone at least 50%

Connect to a stable Wi-Fi network (recommended)

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Follow the instructions:

1. Open the Settings → Memory.
2. Tap your name on it. SD-maps (e.g. SanDisk) 64GB).
3. In the upper right corner, press three dots (⋮) and select Storage Settings.
4. Choose Internal Memory (or Format as Internal in some versions of MIUI).
5. Confirm the formatting. It'll take 1-5 minutes.
6. Once completed, restart the phone.

If there is no internal memory, it means:

• 🔹 The card does not meet the requirements (too slow or small).
• 🔹 You have custom firmware installed without Adoptable Storage support.
• 🔹 In the developer settings, the option to Format as internal is disabled (see the next section).

⚠️ Note: Once formatted into internal memory, the card cannot be used on other devices without completely erasing the data, and some applications (such as WhatsApp or Google Photos) may refuse to work with combined storage.

The solution to the problem: why Redmi 7 does not see the map or not allow to merge

Frequent errors in memory consolidation and ways to correct them:

If Redmi 7 doesn’t want to format the map as an internal one, try:

1. Enable Developer Mode (Settings → About Phone → MIUI version – tap 7 times).
2. Go to Settings → Additional → For developers and find the option to Format as internal (if any).
3. Update the firmware to the latest version of MIUI (old versions had bugs with Adoptable Storage).

How to transfer applications to a joint memory card

After successful memory integration, not all applications will automatically move to the memory. SD-To make room for the internal memory:

1. Open Settings → Applications → Application Management.
2. Select the app you want to migrate (like Facebook or Spotify).
3. Slip the vault. → Change.
4. Choose. SD-The card (it will be referred to as the internal memory).
5. Confirm the transfer. The process may take a few minutes.

Please note:

• 📱 Not all apps support portability (especially system and some games).
• 🔄 After updating the application, it can automatically return to internal memory.
• ⚡ Transferring major games (e.g, PUBG Mobile or Genshin Impact can take up to 10-15 minutes.

For mass transfer applications, it is convenient to use third-party utilities, such as AppMgr III (available on Google Play), which allow you to sort programs by size and carry them in a package.

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Even after the application has been transferred to SD-card part of the data (cache, temporary files) will be stored in internal memory. For complete cleaning, use the built-in Cleanup function in the settings MIUI.

How to Disconnect Memory and Bring Everything Back

If the combined memory is unstable, or if you decide to sell the card, you can return it to its original state.

1. Transfer all important data from the card to another media (it will be formatted!).
2. Open the Settings → Memory.
3. Tap by name. SD-Cards (e.g., Internal Memory: 64 GB).
4. In the menu (three dots in the upper right corner), select Format as portable.
5. Confirm the action. The map will be formatted in exFAT or FAT32 and will become removable.

If the item is not formatted as portable:

• 🔧 Use it. ADB-commands (requires PC and enabled debugging on the USB).
• 📱 Reset your phone settings (Settings) → Additionally. → Recovery and reset), but it will delete all data from the device.

⚠️ Note: After disconnecting the memory, some applications installed on the SD-They can stop working. They'll have to be manually reinstalled.

Alternative ways to expand memory on Redmi 7

If Adoptable Storage is not suitable (for example, you often retrieve the card), consider other options:

• 📁 Manual file transfer: in MIUI There is a built-in File Manager where you can manually move photos, videos and music to the SD-map.
• ☁️ Cloud Storage: Google Drive, Mi Cloud or Yandex Disk let you free up space by moving files to the Internet.
• 🔄 Memory optimization: Clean the app cache regularly (Settings) → Memory. → Cleaning up) and removing unnecessary files.
• 📱 Cleaning apps: CCleaner or Files by Google help find and remove garbage.

For games and heavy apps like Instagram or TikTok, there is another trick: some programs can change the default location of data storage, such as WhatsApp.

1. Open WhatsApp. → ⋮ → Settings → Warehouse and data.
2. Select Storage Management → Save in.
3. Show the way. SD-map, /storage/1234-5678/WhatsApp).

FAQ: Answers to Frequent Questions