Huawei Mate 80 series, as a flagship model of Huawei, runs on HarmonyOS 5.0 or above. Its security chip and system have been deeply optimized, providing a stable operating environment for applications such as WeChat. However, some users still encounter the issue where WeChat prompts “version too low”. This usually relates to system compatibility, network environment, storage space, or update mechanism settings. Below, from the technical principle and practical operation perspectives, we will analyze the root cause of the problem step by step and provide targeted solutions.
I. System Version Upgrade: Basic Premise
The latest version of WeChat has specific requirements for the operating system: HarmonyOS must be at version 5.0 or above, and the security chip must pass the certification. Users can check the current system version by going to “Settings – About Phone – Version Number”. If the version is below 5.0, they need to enter “Settings – System and Update – Software Update” to complete the system upgrade. Before upgrading, it is recommended to back up important data to Huawei Cloud or external storage devices, and ensure that the battery level is above 35%. Avoid interrupting the automatic upgrade at night due to insufficient battery power. Versions of HarmonyOS 5.0 and above support intelligent patch technology, which can automatically fix known vulnerabilities and enhance system security.
II. Multi-channel Updates: Flexible Options
Huawei App Market Update
Open the Huawei App Market, search for “WeChat”, and if a new version is detected, the page will display an “Update” button. After clicking it, the system will download the incremental package through P2P-CDN hybrid technology, with the size reduced by 40% compared to the complete package. The installation process will enable sandbox isolation protection to prevent malicious code injection. If it prompts “The installation package is incompatible”, you need to check if the system version meets the requirements; if it shows “Signature conflict”, then you need to uninstall the old version and reinstall.
2. Built-in updates in WeChat
Go to “Me – Settings – About WeChat”, click on “Version Update” to trigger the intelligent detection. When a significant security update is detected (such as a change in the third digit of the version number), the system will automatically send an update notification. This path supports resuming downloads from where they left off, and allows recovery of downloads in case of network interruption.
3. Download and install from the official website
If the update of the application market fails, you can visit the “Client Download” section on the official WeChat website and select the “HarmonyOS” architecture version to download the APK package. Before downloading, you need to verify the SHA-256 checksum to ensure that the file has not been tampered with. During installation, you need to enable the “Settings – Security – More Security Settings – Download of Applications from External Sources” permission to avoid being blocked by security software.
III. Storage Space Management: Resource Release
The update of WeChat requires at least 2GB of storage space. Users can delete redundant files by going to “Settings – Storage – Clear Cache” or enter WeChat “Me – Settings – General – Storage Space” to clear cache. Before cleaning, it is necessary to back up important chat records to “WeChat Cloud” to avoid data loss. If the system storage is in an emergency, you can uninstall less frequently used applications or transfer files to an external storage device.

IV. Network Environment Optimization: Stable Connection
Weak Wi-Fi signal or abnormal DNS resolution can cause the update to fail. It is recommended to switch to 5GHz Wi-Fi and check if the router has IPv6 function enabled. If using mobile data, make sure the package is not speed-limited and that no proxy tools such as VPN are enabled. Additionally, the WeChat update uses a P2P-CDN hybrid technology. If there is a firewall blocking P2P traffic in the network, it will also trigger a download interruption. In this case, you can try to turn off the firewall or change the network environment.
V. Complete Uninstallation and Reinstallation: Resolving Conflicts
Some users encountered update conflicts due to incomplete uninstallation. For instance, remaining WeChat configuration files might interfere with the installation of the new version. You can find WeChat in “Settings – Apps – App Management”, select “Uninstall” and check “Delete Data” to completely remove the traces of the old version. When reinstalling, you need to close all background applications to avoid resource occupation that may cause the installation package to fail to be parsed. If the problem persists, you can try restarting the phone and then perform the operation again, using the system’s self-check mechanism to fix the temporary file errors.
Six. Automatic Update Settings: Convenient and Effortless
Go to the Huawei App Market, then “My – Settings – Automatic Update Apps”. Select “Automatic Update Only in WLAN Mode” to ensure that the upgrade of WeChat is completed during the low-load period at night. This feature is particularly suitable for busy users, avoiding the omission of important updates due to manual operations. At the same time, the WeChat team will push the update log through “My – Settings – About WeChat – New Version Notification”. Users can use this to understand the new features and security fixes, and plan the upgrade time in advance.








