Owners of modern Xiaomi smartphones often face the need to separate personal data and work files, or simply hide certain information from prying eyes. Standard guest mode is not always convenient, as it requires constant switching of profiles and does not provide the proper level of application isolation. MIUI They have a unique function called the Second Space».
This technology allows you to create virtually two independent smartphones on a single device, each with its own settings, its own set of applications, its own galleries and contacts, switching between them instantly and can be linked to different fingerprints, making access to hidden data as fast and secure as possible, without having to constantly enter passwords or search for hidden folders.
Using this option makes your Android gadget a universal tool where personal life is separated from work routines or entertainment, especially if you use your phone for work but don’t want your colleagues to see your personal correspondence, or vice versa. Next, we’ll discuss how to activate this mode, migrate data, and what are the nuances of working with isolated profiles on Redmi and Poco devices.
What is the Second Space and Why is it Necessary?
At its core, Second Space is a virtual sandbox, isolated from the main system. When you create a profile like this, the operating system allocates a separate memory area where the necessary system files and libraries are copied, and to the user it looks like a new, clean smartphone inside the old one. Everything that happens inside that perimeter is invisible to the main profile.
The main purpose of embedding this feature in the MIUI shell is to ensure privacy, and unlike just hiding applications, it creates a full-fledged environment, so you can install the messenger in the second space, log into your personal account while the main profile is active working account of the same application, and the two instances of the application systemically do not interact or see each other's data.
Apart from splitting accounts, it's a great way to limit kids' access to the phone, so you can set up a second profile with gaming apps and YouTube Kids, stop them from shopping and contacting, and then switch to your call and email mode, much more effective than giving your child full access to the device at the risk of deleting important files or random calls.
- 🔒 Complete isolation: Applications in the second space do not have access to the first profile data, including the gallery and browser history.
- 📱 Two accounts at the same time: The ability to keep two different social media or instant messenger profiles active without using app clones.
- 👁️ Hiding Existence: With the right settings, an outsider may not even know there is a hidden partition on your device.
How to Create and Activate a Hidden Profile
The activation process takes only a few minutes and does not require root rights or third-party software. All the necessary tools are already built into the MIUI system. To get started, you need to go to the settings menu of your device. The path may vary slightly depending on the version of the shell, but the logic remains the same for all Xiaomi models.
In the menu that opens, find a section called Second Space, which in some versions of the firmware can be inside Advanced Settings or Special Features, and when you go to the desired section, you will see a welcome window describing the features, and click Enable Second Space to start the creation process.
☑️ Activation algorithm
The system will alert you that a new space will be created, which is safe for your current data in the main profile, and once confirmed, a short preparation procedure will begin, taking 30 seconds to 2 minutes depending on the memory speed of your smartphone, and when completed, you will be in the clean interface of the new profile.
⚠️ Note: When you first start up, the system may request permission to access contacts or storage for your primary profile, which is only necessary if you plan to transfer data.
It's important to set up the login method right away. You can use a pattern lock, a digital password, or, most conveniently, a fingerprint. Biometric authorization allows you to instantly switch between profiles: put one finger on the main finger, hit the second finger, and this eliminates the need to enter complex combinations of characters each time.
Access setting and biometric protection
The security of the second space is very much dependent on the security method you choose, and the MIUI shell offers flexible settings to adapt the input to your habits, and the most advanced way is to use a fingerprint scanner, and you can assign different fingers to different profiles, which turns your smartphone into a two-key safe.
To set up, go to Settings → Passwords & Security → Second Space. Here you can add a specifically hidden profile fingerprint. When the phone is locked, unlocking it with the finger assigned to the second space will immediately open it, bypassing the main profile lock screen, which creates the illusion that there is no other space.
If you prefer digital or graphical passwords, the system will allow you to set unique combinations for each partition. However, it is worth remembering that entering a password every time you switch can be inconvenient in everyday life. In addition, there is a function “Hide the second space”, which removes the switch icon from the lock screen, making it possible to log in only through a specially assigned password or fingerprint.
- 👆 Different fingerprints: Assign the right thumb for the main mode and the left for the hidden one.
- 🔢 Unique codes: Use different graphic keys so that the picture on the screen can not guess the presence of a second profile.
- 🚫 Hiding the icon: Turn off the display of the switch button on the lock screen for maximum privacy.
What to do if you forget the password from the second space?
Data portability and application installation
Once you create an isolated environment, you have to fill it with content, and you can install apps in the second space in two ways: through the built-in GetApps store or Google Play, or by migrating programs already installed in the main profile, and the second option saves time and traffic.
The data transfer tool is a tool inside the Second Space menu, so you can select the photos, videos, music, and even contacts you want to copy from your main profile, and the system will create copies of those files, leaving the originals in place, which means that deleting the file in the second space will not affect the main profile, and vice versa.
Applications are portable in the same way. You select a list of programs in the port menu, and the system sets copies of them in the second profile. It's important to understand that these will be individual instances. If you update the application in one profile, in the second it will remain the old version until you update it there separately.
| Type of data | Transfer method | Synchronization | Influence on the original |
|---|---|---|---|
| Photos and videos | Menu of file transfer | No (copying) | Removing a copy safely |
| Annexes (APK) | Application portability menu | No (separate installation) | Account data is not mixed |
| Contacts | Imports from the phone book | Unilateral | Changes in the 2nd profile are not visible in the 1st |
| Document files | Through the Conductor | No. | Complete isolation. |
⚠️ Note: Applications that require deep system integration (such as some bank clients or launchers) may not work properly in the second space or require additional permissions when running.
Memory and system performance management
The use of two parallel profiles inevitably affects the resources of the device. Since the smartphone actually has two independent environments, the consumption of RAM increases. If 10 applications are running in the main profile and 5 more in the second profile, they can all consume resources, although only one set of programs is active at the moment.
The amount of memory that you have is also increasing. Each app installed in the second space takes up space on the disk separately. If you set a 200 MB Telegram in the main profile and copied it to the second one, it will take 400 MB in total, plus the cache and media files in each of the profiles, and on devices with a small amount of internal memory, this can be a critical factor.
💡
Check the storage regularly. Go to the second space, clear the cache of heavy apps and remove unnecessary downloads, as they are not visible in the main profile and can take up gigabytes unnoticed.
As for the CPU, background processes in the second space tend to be frozen when you are in the main profile, and vice versa.However, notifications from second profile apps can come in real time if allowed in the settings.This means that the messenger's background service can still consume battery power and slightly load the CPU to maintain the connection.
To optimize the work, it is recommended:
- 🚀 Limit background activity: In battery settings for the second profile, disable apps from the background unless instant notifications are needed.
- 🧹 Regular Cleanup: Use the built-in cleaner in each of the spaces separately to delete temporary files.
- 📉 Autoboot Control: Turn off the auto-run of heavy games or services in the second space if you rarely use it.
Frequent problems and ways to solve them
Despite the stability of the function, users may face certain difficulties. One common problem is the lack of sound or notifications from second-space applications, often associated with aggressive energy savings that “sleep” the hidden profile processes when the main one is active.
Another common question is to delete Second Space, if you decide you don't need the feature anymore, it's important to deactivate it correctly. Simply deleting the profile through settings will permanently delete all the data stored inside it, and the photos, correspondence and files created in the second space will be destroyed without the possibility of recovery.
There may also be conflicts with access rights to the camera or microphone, because the hardware resources are shared, it is not possible to request access from both profiles simultaneously. If the application in the second space does not open the camera, check if the video call is running in the main profile.
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Deleting the Second Space completely erases all data inside it. Before deactivating, be sure to transfer important photos and documents to your main profile or computer.
If you experience interface errors or sticks when you switch, restart the device helps. If the problem persists, try updating system components through the “Component Update” menu in the settings. In rare cases, a third-party launcher or antivirus installed in one of the profiles may cause conflict.