samsung galaxy grand max

Here is the link of custom recovery for Galaxy grand max,,but someone have to complete the survey and download the file,,i try hard but not got success,, Is someone can complete plz,,download the file and upload on a open link,, Here is the link http://downloadsafe.pw/file/0X56g3

What do I do, my Galaxy Grand keeps on creating files to fill up all the memory. I can't find them using file explorer and they show up as other files in storage. When I wipe it, they just come back. Please what do I do?