If you are using a vivo phone, you can refer to the following troubleshooting methods:
1. The installation button is gray and cannot be clicked to install
In order to ensure that the software and device system For compatibility and security, 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 that you wait for the application to be optimized and put on the shelves before installation and use
2. Allow Install unknown applications
Confirm whether your 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 applications" 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 again6 , 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>
Backup: Enter Cloud Service--Device Cloud Backup--Backup Data Type--System Data--Return--Backup Now to back up some system settings and desktop layout; Cloud Service--Data Synchronization--Open WLAN, Bluetooth, etc. can synchronize data to cloud services.
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 up 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. download.
9. System software installation failed
Go to Settings--Applications and Permissions/More Settings--Application Management--Dot in the upper right corner--Show system programs--Find the Programs--Uninstall/uninstall updates, and then reinstall;
Go to Settings--Applications and Permissions--Application Management--Dot in the upper right corner--Built-in Application Management--Find the corresponding application and install it.
10. Software is not compatible with the device
Some software is incompatible with the device system due to resolution, version and other factors. It is recommended to replace it with other versions or install and use other software of the same type.
11. 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 Go to Settings--Security--More Security Settings--App Installation--Prohibit the installation of malicious applications--Turn it off.
For more usage doubts, you can go to the vivo official website--My--Online Customer Service--Enter manual and consult online customer service for feedback.