1. When downloading applications as shown in the following illustration, we can sometimes click the "Retry" button and try two more times.
2. If reboot is not possible we can try to set up a DNS server to resolve, click on the Phone "settings" application
3. In the access interface to find our Internet access to the "Wireless LAN" click on it.
4. Access to the wireless management interface we found our WiFi and then clicked on the exclamation mark icon on the right of the wireless
5. After entering, we find the DNS column under the DHCP interface, then click DNS to enter the modified.
6. We can try to enter 114.114.114.114 or enter 8.8.8.8 new address as shown in the picture
7. Set it up and we'll try again to click on the app you just downloaded, and you'll find that you can download it properly.
Summary of experience, general tips Unable to download this application is mostly a network problem, if the above solution can not solve your problem we may try to restart the phone or a network or a time period to try again.