1. Open Installation Permissions
Unknown source, this is the phone factory set up a function, if we do not open the unknown source is unable to install the application of the unofficial platform download, we just open on the phone.
Workaround: Allow an "unknown source" application to be installed.
2. Installation software prompts for insufficient memory
This removes some unused apps or clears some space out!
Workaround: Select ' Clear Data ' and ' clear cache '.
3. System version Limit
Download and your mobile phone system corresponding to the application version can be, this does not need me to say that the version is not the same may be incompatible.
Solution: Upgrade the system, the official upgrade or brush their own machine upgrade.
4. installation file resolution Error
Non-official download of the application, this may be the existing software installation package has been modified, so can not normal installation
Solution: Re-download, preferably in the official channel or well-known application platform download.