Why Viber doesn’t work on Xiaomi phone: the full guide

The situation when a popular messenger suddenly stops responding to commands is familiar to many smartphone owners. Especially often users of Xiaomi devices are faced with the fact that Viber does not start, freezes at launch or does not send notifications, which is annoying, since the application is often used for work and personal communications that require instant reaction.

The reasons for unstable work lie not only in the application itself, but also in the aggressive policy of energy saving the MIUI or HyperOS shell. The system seeks to extend battery life, forcibly closing the background processes, which include the messenger. Understanding the mechanisms of the Android operating system in conjunction with the manufacturer's proprietary add-ons will help to quickly eliminate the malfunction.

In this article, we will take a look at all possible crash scenarios, from the banal absence of the Internet to the conflicts of system libraries, and learn how to properly configure permissions, clear cache and optimize the operation of the device to forget about communication problems.

Internet connection problems and network settings

The first thing to check if there is no connection in the application is the status of the network connection. Even if the Wi-Fi or mobile icon is displayed, the actual data transmission can be blocked or limited, often the problem lies in the failure of the smartphone communication module or temporary problems with the provider.

Sometimes the system misallocates priorities between networks, such as a phone trying to connect to a weak Wi-Fi hotspot, deflecting a stable 4G signal, in which case the messenger will hang in the "Connect" status without receiving or sending messages.

To diagnose, switching network modes is recommended, which will reset the current network settings and re-register the device on the operator's or router's network, and check whether flight mode is on, which completely blocks all radio modules.

• 📡 Switch flight mode: turn on Air Mode for 10 seconds, then turn off.
• 🔄 Reset your network settings: go to Settings → Connection and sharing → Reset Wi-Fi, mobile networks and Bluetooth.
• 📶 Check date and time: Incorrect settings can cause security certificate errors.

⚠️ Note: Resetting network settings will remove saved passwords from Wi-Fi and Bluetooth devices. Make sure to remember passwords from important networks before performing this procedure.

Energy saving conflicts and background work

The most common reason why Viber doesn’t work on Xiaomi is aggressive battery optimization.The MIUI shell is known for its strict background management policy, which can “kill” an app immediately after the screen is turned off, which causes notifications to arrive with a delay or not at all.

To fix this, you need to manually adjust your power consumption settings for a particular application, and the system needs to get a clear signal that Viber is an important process and should not be limited, and without this step, even a fully functioning application will not work.

Also worth paying attention to is the Advanced Optimization feature, which is often turned on by default, which analyzes device usage and can make decisions about closing applications that the system considers to be rarely used.

• 🔋 Turn off charge saving: in the notification curtain, make sure that the Power Saving mode is off.
• ⚙️ Set up Auto Start: Go to Settings → Annexes → Autostart and activate the slider for Viber.
• 🚫 Exclude from optimization: in the battery menu, find the Settings item (cogs) → Advanced settings → Add the app to the exceptions.

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Use the "Block" in the menu of recent apps. Open the list of running applications, find Viber, pull the card down and click on the lock icon. This will prevent the system from closing the application when you clean up memory.

Cache errors and memory overflow

In the process, the messenger accumulates a huge amount of temporary files, media content and session data. Over time, the cache can become corrupted or take up a critical volume, which will lead to malfunctions in the program.

If an application freezes during the launch phase or crashes immediately, it is likely that temporary configuration files are damaged, and cleaning them will not delete your correspondence or contacts, since they are stored separately or synchronized with the server, but will return the program to work.

To clean, you need to go to the application management menu, where you can find the exact volume and clean it up, and regular storage maintenance helps keep the entire system running.

Need to update system components

Mobile apps are evolving rapidly, and older versions may no longer be supported by servers or contain critical security bugs. If Viber doesn’t work on Xiaomi, the first thing to do is check for updates in the Google Play or GetApps store.

But the problem may not be just in the messenger itself: the Android System WebView system component is responsible for displaying web content within applications, and its incorrect operation often leads to “white screens” or endless interface loading.

Update should only be done with a stable connection to the network, preferably via Wi-Fi, to avoid interruption of the download. After installing the updates, it is recommended to completely restart the device to apply all changes to the system.

• 📲 Update the app: Open Google Play → My profile. → Application management.
• 🌐 Update WebView: Find the Android System WebView Store and click Update.
• 📱 Check out the Android version: Go to Settings → The phone. → Version. MIUI search for system updates.

⚠️ Warning: Do not interrupt the process of updating the system or critical components.This may damage the software shell and require flashing the device.

Version conflicts and reinstallation of the application

If simple methods didn't work, the files of the application itself might be permanently damaged, and in this case, the solution is a complete reinstallation, which allows you to delete all old configuration files completely and install a fresh, serviceable version.

Before deleting, make sure to back up your correspondence. In Viber, this can be done through the application settings, saving data to Google Drive. Without a backup, you risk losing your entire message history without the possibility of recovery.

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A complete reinstallation with a pre-backup is the most reliable way to fix software errors associated with corrupting application files.

After removing the old version, it is recommended to restart the phone and then download the installation file again. APK-files, as this can lead to malware infection of the device.

Procedure for clean installation:


1. Settings → Applications → Viber → Delete.




2. Reboot the device.




3. Google Play → Search “Viber” → Install.




4. Start and restore from backup.

Systemic restrictions and access rights

Modern versions of Android and MIUI emphasize privacy, and if an app is not given the necessary permissions, it will not be able to function properly, such as access to microphone, contacts, memory and phone.

Often, after updating the system or the application itself, access settings can reset to the minimum default values, resulting in Viber starting, but can not call, send a photo or read the contact list.

Permit verification should be comprehensive. You don't have to give out blindly access, but for a messenger, a basic set of rights is a prerequisite for work, and denying access to a storage, for example, will prevent you from uploading pictures.

• 📞 Permits: Settings → Annexes → Viber → Permits. Make sure all items are marked "Allowed".
• 🔒 Special Rights: Check the Special Rights section of the application settings for restrictions on Viber.
• 👥 Access to contacts: without this item, you will not see the names of the interlocutors, only phone numbers.