Q: Does your mobile phone have any software that cannot be installed or can it be installed by individual software?
A: Individual software: Mobile phone is not all software can be normal compatibility, if there are individual software can not be installed, it is recommended to try to download a different version of the software installation attempt, if it is still not installed, it is incompatible.
All software: If all software is not installed, please refer to the following troubleshooting steps.
Q: Does your phone have an unknown source option open?
A: If you do not open an unknown source, mobile phone can not install non-Android electronic market applications, recommended to enter settings-general-security-unknown source-√, if you have checked the unknown source but still can not install the application, we recommend that the user will back up the data, enter settings-general-reset-Reset the factory data, the phone Revert to the initial value.
If all the above steps are unsuccessful, we recommend that users should be submitted for inspection.