Demo required to be able to customize the psvita.

• Original download demo url http://ares.dl.playstation.net

Downloaded demo and Splitter on Tar:

• split

 split -b 99MB xGMrXOkORxWRyqzLMihZPqsXAbAXLzvAdJFqtPJLAZTgOcqJobxQAhLNbgiFydVlcmVOrpZKklOYxizQCRpiLfjeROuWivGXfwgkq.tar.xz "bitter.smile.pkg.part-"

• merge

 cat bitter.smile.pkg.part-* > merge.tar.gz

• extract

  tar -xzvf merge.tar.gz