I have a prolema sending tasks in Moodle in IOS and Windows Phone platforms in the case of IOS it does not show the option to send documents and in the case of Windows phone browser when you click the button nothing happens, someone would have a solution to this problem
Hugs.
https://www.dropbox.com/s/c2phmptbmaek4av/Android.png?dl=0 - Android
https://www.dropbox.com/s/wf4c0nxqjcwxmz4/Iphone.jpg?dl=0 - Iphone 6
https://www.dropbox.com/s/5rk9uxq3790natd/windows%20phone.jpg?dl=0 - Windows Phone