If you are using a vivo phone and the application installation fails, you can refer to the following troubleshooting methods:

1. The installation button is gray and you cannot click to install

In order to ensure that the software For compatibility and security with the device system, we will review the application before it is put on the shelves. If the application does not meet the review specifications of the vivo app store, it cannot be installed and used. It is recommended to wait for the application to be optimized and put on the shelves before installation and use

2 , Allow installation of unknown applications

To confirm whether the device allows the installation of software from unknown sources, you can go to Settings--Applications and Permissions/More Settings--Permission Management--Permissions--Install Unknown Applications--Select Software- -Turn on the "Allow installation of unknown apps" switch.

3. Turn on storage permissions

Go to Settings--Applications and Permissions/More Settings--Application Management--App Store/Game Center--Permissions--Storage--Prohibit Then re-allow it and try downloading and installing again

4. Delete download records and installation packages

In Game Center--My--My Downloads--Delete download records and corresponding Installation package, download and install again.

Enter the App Store--Management--Download and Installation--Delete download records and corresponding installation packages, download and install again

5. Confirm whether it is multi-user mode

< p>Enter Settings--System Management--Multi-User, confirm whether the multi-user mode is set, you can cancel the multi-user setting, or switch to user mode to uninstall the application, and then return to the owner mode to download again

6 , Clear software data

Go to Settings--Applications and Permissions/More Settings--Find the software--Storage--Clear the data and try again; (Please back up the important data of the software before operation)< /p>

7. When installing the software, it prompts that there is insufficient memory

The device storage space is limited, and storing too much data will overwhelm the device. Enter i Butler--Space Cleanup--Scan and clean the junk cache. ; Uninstall rarely used software on your phone; Enter file management to clean up videos, songs, compressed packages, etc.

8. The installation software prompts a parsing error

The installation package file was damaged or maliciously modified during downloading. You can download and install it again, or change to the official platform for downloading. .

9. Software is not compatible with the device

Some software is incompatible with the device system due to factors such as resolution and version. It is recommended to replace it with other versions or install and use other software of the same type.

10. Prompt "High-risk virus"

If it prompts "High-risk virus found", it means that the system has detected that the application is risky and has automatically prohibited the installation. If you still need to install it, you can enter Settings--Security--More security settings--App installation--Prohibit installation of malicious applications--Turn it off.

If you still cannot install it after the above settings, you can go to the vivo official website--My--Online Customer Service--Enter manual and consult online customer service for feedback.