Nova Launcher: recovering deleted file from home screen

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http://forum.xda-developers.com – I do this on impulse: deleting spam from an application that I've installed. Now I want it back, (no solid reason). I really believe it has been deleted for good and there's no cache system for this. Let me know if there is a process to find the orgin or the deleted file. I'll keep using my file manager to search my phone for something until I get a better option. *browseing the forums found simular post but not the phone, let me know if there is an answer here or you've got one to tell* (HowTos)