1. Hello, 1. WeChat cannot be installed after uninstalling, which may be due to the following reasons: 1. The mobile phone has insufficient memory: if the mobile phone has too much memory, WeChat cannot be installed. You can clean the mobile phone's memory, restart the mobile phone, and try again.
2. 2. WeChat memory is not enough: It may be that the uninstalled WeChat was not cleaned up before, which caused some programs to be occupied and unable to install new installation packages. You can clear the system cache and observe again.
3. In order to free more space for the new WeChat operation.
4. 3. Cause of network failure: WeChat download failure may be caused by the instability of the current network. It is recommended to try again later or try to uninstall WeChat again after changing the network environment. The failure to install may be caused by software uninstallation residue. At this time, you can use garbage cleaning software to clean the residue before continuing the installation.
5. Some mobile phones may have the privacy mode turned on. At this time, just turn off the privacy mode.
6. More complicated cases need to be solved by installing an old version or formatting the phone.
7. The failure to download WeChat on the mobile terminal is generally caused by the following three reasons: 1. The current mobile network instability leads to the download failure, please download again later; 2. Download failed due to insufficient mobile browser cache. You can try to clear the mobile browser cache before downloading; 3. The download failed due to insufficient memory on the phone. Please delete the file or software that is not commonly used on the phone first, and then download it again.