One. Software format does not match
: This mobile phone supports the ". APK" format software installation, the format does not meet the installation will not succeed.
This mobile phone supports the installation of the ". APK" format software, if you need to download and install Third-party application software, follow these steps:
1. Download the ". APK" format application software on your computer and connect the machine to the computer.
2. Copy the downloaded application software to the mobile disk root directory.
3. Under the Mobile Phone standby page, click "Application".
5. Find the saved. apk format file and click "Install".
Two. Unknown source option not open
: When you install Third-party software, you may be prompted to "Prohibit installation", and you will need to open a program option that allows you to install a non-electronic market.
1. Under the Standby page, click "Application"-"set"-"Security"-click "Unknown Source"-click "OK"-"unknown source" to successfully hook, return to the software location to install the software.
Three. Incorrect installation location
: Due to the use of an Android 4.1.2 operating system, the installed application defaults to the built-in hard drive.
With an Android 4.1.2 operating system, the path to the software installation defaults to the built-in hard drive, and the installation path cannot be changed. Therefore, if you are downloading software through Third-party synchronization software, it is recommended that you enter the software setup menu to change the software installation path to mobile memory. (Note: If you set the path to an SD card, you cannot install it properly.) )
Four. Low Memory space
: Software installation will occupy your phone's memory, not enough memory will cause your software can not be installed properly.
1. Under the Standby page, click "Application".
3. Click "Store" to see your phone's memory usage and available space.
Five. Third-party software compatibility issues
: The software does not install properly, or it may be because of a compatibility problem with the Third-party software you have downloaded, it is recommended that you uninstall incompatible software or install a different software version attempt.
The software does not install properly, or it may be because of a compatibility problem with the Third-party software you have downloaded, it is recommended that you uninstall incompatible software or install an additional software version attempt.
The uninstall method is as follows:
1. Under the Standby page, click "Application".
3. Click "Application Manager".
4. Click "Downloaded" to select the third party software that needs to be uninstalled. (take "91 Assistants for example")
5. Click "Uninstall" and click "OK".
When you need to download third party software, you can download it in the following ways:
Six. None of the above methods can solve
Mobile phone recovery factory settings will erase all the data in the cell phone's internal storage device, including short messages, contacts, downloaded applications, and so on. Therefore, before you make the phone restore factory settings, please back up the useful data in the phone to avoid loss. To restore the factory settings, follow these steps:
1. Under the Standby page, click "Application" "Set" "Reset" "Restore factory Settings" "Reset Device" "Delete all" to reboot, the phone is successfully restored to the factory settings.