The modern smartphone has long since ceased to be just a means of communication, becoming the digital storehouse of our lives. Owners of Xiaomi and Redmi devices running on the shell of MIUI or HyperOS often face the need to separate personal data from workers or hide certain information from prying eyes. Standard methods of locking the screen or individual applications cease to be effective when full isolation of content is required.
And for these scenarios, the company's engineers have developed a unique feature called Second Space, which is not just a folder with a password, but a full-fledged second operating system inside your phone, which has its own desktop, set of applications, gallery, contacts, and even a separate Mi Account account, and switching between the main and second profiles is instantaneous, creating the effect of using two different physical devices.
In this article, we will discuss how to activate this feature, what are the nuances of its operation in the latest firmware versions, and how to manage access correctly. You will learn how to hide the fact that there is a second profile and what to do if the system no longer finds the necessary settings, understanding these mechanisms will allow you to maximize the use of your Xiaomi capabilities.
The essence of technology and the difference from the guest mode
Many users mistakenly confuse Second Space with the normal guest mode that is present in standard Android. However, the difference between them is huge. Guest mode is designed for temporary use of the device by an outsider: it clears after exit and does not store data. The second space is a permanent, isolated partition of memory that functions in parallel with the main one.
This is technically done through the Android profile mechanism, where each space is allocated its own unique user ID. When you switch, the system does not reboot, but only changes the context of access to the file system. All data in the second profile is encrypted separately, and even if the main owner of the phone receives superuser rights (root), access to the files of the second space without a password will be extremely difficult.
The main advantage of this architecture is that you can install one version of the app in the main profile and a completely different version in the second, which is especially true for those who need to test different versions of the software or use two accounts on the same social network without installing clones through system functions.
- 🔒 Complete data isolation: photos, videos and documents from one profile are not visible in another without special import.
- 📱 Different Application Sets: The ability to keep working and personal messengers completely separate.
- 🔋 Independent settings: brightness, sound, wallpaper and even interface language can vary in each space.
Step-by-step instructions for activating the second profile
The process of enabling the function on modern Xiaomi devices has become as simplified as possible, but in different versions of MIUI, the path to settings may vary slightly. Before starting the procedure, make sure that at least 2-3 GB of internal memory is free on your device, since the system will need space to deploy a basic set of system files.
To start the process, you need to open the standard Security app, which is preinstalled on all smartphones of the brand. At the bottom of the screen, find the “Second Space” tab or search for settings by typing in the appropriate query. The system will offer to familiarize yourself with the features of the feature and request confirmation to create a new profile.
When you click "Enable," you start a preparation process that takes 30 seconds to 2 minutes depending on the speed of the drive, and you're asked to create a separate password or a pattern lock. Importantly, this password will be used only to log into the second space, and it may be different from the password that unlocks the main screen.
☑️ Checklist before creating a profile
In the final step, the system will suggest you choose a switching method, so you can use a special shortcut on your desktop, a sidebar, or, most conveniently, assign different fingerprints to each space, for example, the thumb of your right hand will open the main profile, and the finger of your left hand will immediately switch you to hidden mode.
Access settings and switching methods
The ease of use of Second Space is directly dependent on how quickly you can switch between profiles. There are several scenarios available in the settings of the feature (Settings → Second Space → Switching between spaces), and the most popular method is to use a sidebar, which is called by a swipe from the edge of the screen.
And the thing that really deserves attention is the biometric unlocking setup, which is that if you attach different fingerprints to different profiles, the switching process becomes invisible to the people around you, and you touch one finger of the scanner, you put it in "work" mode, you put it in "personal mode," and that creates a high level of privacy and convenience.
⚠️ Note: If you forget the password or pattern lock of the Second Space, it will be impossible to restore access to the data inside it.
You can also activate the floating switch window in the settings menu, which is a small icon that hangs over all windows (similar to the Home button in older versions of Android), which you can move around the screen and hide when necessary so that it doesn't interfere with navigation.
- 👆 Fingerprint: The fastest and safest method of switching profiles.
- ↔️ Sidebar: convenient for devices with large screens and narrow frames.
- 🔳 Floating window: classic widget for quick access in all situations.
Data transfer and interaction between profiles
Despite the strict isolation, the system provides mechanisms for secure file sharing, you can't just copy a photo from the main profile gallery to the second one, but you can use the "Move files" feature, which is in the settings of the Second Space itself.
If you try to open a file (such as a document or image) in a second profile, if it is not there, the system may suggest that you find it in the main profile. Once confirmed, the file is copied to an isolated area. The reverse process is also possible: you can export data from the hidden profile to the main one, but this will require authorization.
It is worth mentioning the work with contacts and calls. SIM-The card is one in the phone, but it's available in both profiles, but the call history and the contact list are separated. If you need to call from the second space, the main profile call log will not show this call, which ensures complete privacy of communication.
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Use the Move Files function only for required documents. Do not copy large amounts of media files (4K video), as this takes up twice the amount of memory on the device's physical drive.
For applications, the situation is this: if you install a program in the second space, you get a clean version of it, and the cache, login, and settings are completely independent, and it's ideal for double-entry bookkeeping or splitting accounts in games.
Hiding icons and increasing privacy
One of the key features for many users is the ability to hide the existence of Second Space, and the basic MIUI settings have the option to “Hide Second Space” and when activated, the “Second Space” icon disappears from the desktop and the main profile settings menu.
How do you get there? There's a special way to log in through the lock screen, so if you set up a fingerprint, if you lock the screen, the secret finger will immediately open the profile you want, and if you use the password, you can enter the password from the second space on the main profile pin screen, and the system recognizes it and lets it into the hidden partition.
In newer versions of the shell, especially in HyperOS, security algorithms have been strengthened, and now the cover-up can work through a special calculator application or gallery, which, when you enter a certain code, turns into an entrance to the second profile, which makes detecting hidden data almost impossible for an untrained user.
| Parameter | Main profile | Second space |
|---|---|---|
| Access to files | Full access to your files | Isolated, import needed. |
| Notifications | All system notifications | Only apps inside. |
| Battery | Background processes of the second profile can consume charge | It works independently but shares the CPU resources. |
| Google Play | Main account | Maybe another account. |
Possible problems and ways to solve them
With long-term use of the feature, users may encounter a number of technical difficulties, one of the most common problems is the disappearance of the "Second Space" item from the settings, often due to the fact that the device region has a global firmware installed, where the function is hidden by default, or a system update that resets some configurations.
If you upgraded to Android 13 or Android 14 and the feature is gone, try changing the region of the device. Go to Settings → Additional settings → Region and choose India, China or another country where Xiaomi services are most developed. After changing the region, the menu item often returns to its place.
Another problem is increased battery consumption: because the two profiles work in parallel, background processes may not properly wake the processor, and it is recommended that the second space settings turn off cloud synchronization if not in use and limit background activity of heavy applications.
What to do if the switching on the fingerprint does not work?
⚠️ Note: When you delete the Second Space, all data inside it will be irretrievably destroyed.Be sure to back up important photos and documents to the cloud or computer before resetting.
Delete profile and return to factory settings
If the second profile is no longer needed, it can be easily removed, the deletion process completely clears the allocated memory partition, returning the occupied space to the shared storage pool, you need to enter the function settings and select "Delete the second space".
The system will request a validation and password from the main profile, which is designed to protect against the accidental deletion of sensitive data by children or other users who have access to the phone, and the cleanup process will begin after confirmation, which will take a few seconds.
It is worth noting that deleting the second profile does not affect the settings of the main one. Your apps, photos and accounts in the main section will remain intact. However, if you used the file transfer function, check where the data was saved - it can remain in the main profile folders.
- 🗑️ Complete removal: frees up disk space and removes all traces of the second profile.
- 🔄 Settings reset: You can just log out of your profile without deleting it, but the data will remain in place.
- ⚙️ Back to Factory: Full Hard Reset will remove both profiles at the same time.
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The second space is a powerful tool for sharing digital life, but it requires careful backup before any changes to the system.