Error 911
.issue:
The application can not be installed due to error 911
SOLUTION:
* Method 1: settings> applications> all, Google playstore, force stop, clean cache and data
* Method 2:
If you use a wifi connection that requires a login web page, your details have expired authenticated
Reenters the apn via your web browser
Then enter the playstore, if the problem persists, will be for a wifi network problem
* Method 3: Try connecting to another wireless network, error 911 will disappear
* Method 4: Use your data network connection instead of wifi, but beware the data consumption!