Faced with a sudden error when launching an app, many users immediately start looking for a way to reinstall the camera on Xiaomi. Indeed, a regular app may stop responding, give out a black screen or just fly to the desktop without the ability to take a picture, a common problem that is often solved by software methods that do not require deep knowledge in programming.
However, it should be understood that in the Android operating system, which runs the shell MIUI or HyperOS, system applications are not removed as easily as third-party software from Google Play. The process of "reinstallation" here involves a set of actions: from simple cleaning the cache to a complete reset of the system settings or flashing the device.
In this article, we will discuss all available methods for restoring the functionality of the photo module in detail. We will look at both safe ways for ordinary users, and more complex options for advanced users who are ready to experiment with system files. The main thing is not to panic if the standard shortcut has stopped working, because in most cases the camera module is physically healthy.
Diagnostics: Why the camera stopped working
Before you start taking drastic measures, you need to understand the cause of the failure. Often the problem is not the application itself, but a conflict of processes or a lack of resources. If you notice that the Xiaomi camera produces an error "failed to connect to the camera", this may indicate that another process has captured the video stream.
Sometimes a failure occurs after an operating system update fails or third-party software is installed from unverified sources, in which case the system libraries responsible for image processing may not work properly, and it is also worth checking whether the smartphone overheats, since at critical temperatures the system can force the system to turn off energy-intensive modules.
If the phone has recently fallen or been exposed to moisture, the problem may be hardware, and then software resetting won't help, and you'll need to go to a service center, but if there's no visible damage, there's a good chance we can fix it ourselves.
⚠️ Warning: If you were disassembling your phone or changing your screen before the error occurred, check the camera plume. Often the problem is that the module is in poor contact with the motherboard, not the software.
Basic methods: cleaning the data and cache of the application
The easiest and safest way to try to “reset” the application’s logic is to clean up the app’s data, which will return the camera’s settings to factory settings by removing all user preferences, but will not affect your personal photos and videos. → Annexes → All applications.
In the list, look for the standard Camera app. Click on it to open the Control menu. Here we're interested in Memory. When you click on it, you'll see two buttons: Clear cache and Clear data. First, try to clear only the cache, which will delete temporary files that may have been corrupted.
If cleaning the cache didn't work, do a complete data cleanup. The system will alert you that the settings will be reset. Confirm the action and try to start the camera again. Often after this procedure, the application starts as the first time after buying the phone, asking for permissions to access the microphone and geolocation.
☑️ Checklist of basic diagnostics
In some cases, the problem may be permissions. Make sure the application has access to the necessary functions. Go to Settings → Apps → Camera → Permissions. This should activate the points associated with the camera, microphone and memory. If a point is blocked, the application will not be able to function correctly.
Removing updates and rolling back system components
There are situations when the camera stops working after automatically updating the system components through the Google Play Store or the built-in GetApps store. In this case, the current version of the application may contain errors that are incompatible with your version of MIUI.
To do this, go back to the Camera app management menu. If there is an option on the Update button (or the three-dot menu in the upper right corner) to Remove Updates, click on it. The system will return the app to the version that was installed in the factory.
It’s also worth checking for component updates. Sometimes the Google Play Services service or the camera system framework needs to be updated or reinstalled. Go to the settings, look for System Component Update, and check for new versions. If the problem appears immediately after the update, try searching online. APK-file of the previous stable version.
Where can I find older versions of APK?
After the updates roll back, be sure to restart the device, allowing the system to re-index files and run services using old but stable libraries. If the camera is running after that, it makes sense to turn off automatic updates to that particular app in the store to avoid the problem recurring.
Use of third-party applications for diagnosis
If the regular app continues to fail, installing third-party software is a great diagnostic measure, which will help you understand if the problem is in a particular app or device drivers.
If it also produces an error or shows a black screen, it means that the problem is deeper and concerns the system level or hardware. If the third-party camera is working normally, then it means that the configuration files of the Xiaomi regular application are damaged.
Alternative cameras often produce even better results than standard cameras, especially in low-light environments. Many users are specifically looking for GCam ports for their models to get enhanced dynamic range and improved night vision.
⚠️ Attention: When installed APK-The system will alert you to security risks by downloading the application from the official developer website or trusted resource to avoid infecting your phone with a virus.
There are also special diagnostic tools built into the engineering menu, and if you type ##6484## (or #4636##) in the ringer, you will be taken to the CIT (Customer Interactive Test) menu, and you can select FrontCamera or BackCamera to check the matrices without running the main application.
Resetting settings to factory as a last resort
When the soft methods don't work, you have to do a full Hard Reset, which will remove all the data from your phone, so be sure to back up your contacts, photos and documents before you start the procedure. Reset will put your phone out of the box by removing all the software conflicts.
You can reset through the settings menu. Go to Settings → About Phone → Reset → Erase all data. The system will request an unlock password and confirmation. After that, the phone will restart and begin the cleaning process, which can take from 5 to 15 minutes.
There is also a Recovery Mode reset method that is useful if the phone is not loading normally. To do this, turn off the device, press the volume buttons (or volume up + power) at the same time, and wait for the logo to appear. From the Recovery menu, select "Wipe Data" → "Wipe All Data".
| Resetting method | Data retention | Difficulty | Efficiency |
|---|---|---|---|
| Cleaning the application data | Preserve. | Low. | Medium |
| Removal of updates | Preserve. | Low. | Tall. |
| Reset via settings | Removed | Medium | Very high. |
| Recovery Mode | Removed | Tall. | Maximum |
Once reset, the phone will be clean. Don't rush to install all the apps at once. First, check the camera. If it's working correctly, it means that some third-party software caused the conflict. Start installing the programs gradually to identify the culprit.
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Full data reset eliminates 95% of camera software errors, but takes time to recover user data and account settings.
Reflashing the device and working with Fastboot
For advanced users who don't even have a reset, there's still the option of flashing it back. It's the process of completely replacing the operating system. For Xiaomi phones, you can do it through the Mi Flash Tool utility in Fastboot mode. You'll need a computer, USB-cable and firmware file (Fastboot) ROM) for your particular model.
The process begins with unlocking the bootloader, which requires a wait of 7 to 168 hours after submitting an application in the "Mi Unlock" application. Once unlocked, the phone is switched to Fastboot mode (clamping the volume button down when connecting to a PC), and the firmware is downloaded through the computer.
It is important to choose the right type of firmware: Global (for the whole world) or China (Chinese version), installation of Chinese firmware on a global device or vice versa can lead to problems with communication frequencies (Band) and the lack of Russian, although in new versions of MIUI this is solved by choosing a region.
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Before flashing, make sure that the battery charge is at least 60%, and USB-The interruption of the firmware process can turn the phone into a brick, and recovery is possible only in the service center.
If you are not sure about your abilities, it is better to consult specialists. A mistake when choosing a firmware file (for example, the firmware for the Redmi Note 10 on the Redmi Note 9) can damage memory partitions. However, if done correctly, you will get a completely fresh system without traces of previous failures.