This issue can be tested in Android or iOS. It doesn't require to be tested in both. Login as a student with or without blog entries. Go to user menu and press "Blog entries" If your user have entries you should be able to see them, if not you should be able to see a message indicating that you have no entries. Press the add entry button and create a new blog entry with a couple of files. You should be redirected to blog entries page and the new entry should be shown here. Now edit the entry created before by editing the title, summary and remove a file. When click the "Save" button you should be redirected to blog entries page and the entry should be updated. Edit again the entry and add a new file. When you save the changes, you should be redirected to the entries page, and the attachments should be updated. Remove the created entry by clicking the actions menu of the activity and press "Delete". Create entries with different visibilities and check that other users are not able to see Draft entries and are able too see "Anyone on this site" entries.