1. If the mobile phone prompts that the memory is insufficient, it is recommended that you move the programs installed in the mobile phone to the SD card/mobile phone USB flash drive to free up system space, and then go to Mobile Phone Settings-More Settings-Applications-Installed to move the programs installed in the mobile phone to the SD card/mobile phone USB flash drive.
2. If all the programs have moved away or the memory is insufficient, you need to uninstall the programs that are not commonly used in the mobile phone to free up the system space. You can't install other programs until you free up system space.
3. If the mobile phone prompts for parsing error, the downloaded installation package may be damaged. It is suggested to download resources again or change channels to download and install.
4. If the mobile phone prompts that it is not installed or failed to install, it is because the resolution is not supported, or the software or software version is incompatible with the mobile phone system, resulting in some software can not be installed. It is suggested that you can change other versions or install other third-party software.