1. Go into folder on external card 2. Create new folder Expected: folder created Actual: error with message "Folder could not be created" Notes: 1. Build in "My Files" file manager created folder in same situation 2. Same with https://github.com/openintents/filemanager/issues/55 3. Card is visible under "storage/extSdCard" name 4. Folder is created well on build in memory card 5. SD card worked well on other phones with Androids 4.X