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How to solve the problem that the mobile phone cannot install the application?

If the program downloaded from the vivo phone you are using cannot be installed, you can try the following operations:

1. Allow the installation of software from unknown sources: Go to Settings--Applications and Permissions/More Settings- -Permission management--Permissions--Install unknown applications--Select software--Turn on "Allow installation of unknown applications";

2. When installing software, it prompts insufficient memory: enter i Butler--Space Management-- Scan and clean the junk cache, uninstall rarely used software on the phone, enter file management, and clean up videos, songs, compressed packages, etc.;

3. When installing the software, it prompts a parsing error: re-download and install or change the official website Download from a regular platform;

4. System version restrictions:

Enter Settings - System Upgrade to check whether the phone is the latest version. If not, you can try to upgrade to the latest system; ( Some iQOO (Monster) UI version/Funtouch OS9.2 models need to enter Settings--My Device--iQOO (Monster) UI version/Funtouch OS version to view)

5. The software is not compatible with the mobile phone : Replace with other versions or install and use other software of the same type.