You can download it from here
http://download.iriverchina.com/iriv...tory_v1.86.zip.
And here is "as Google translated" some kind of "Chinese language patch for Chinese input language characters"
http://bbs.iriverfans.com/attachment...1sFSqjGEOznoh4.
Yesterday i re-upgraded again to 1.71. (because of freeze problem). I did not test it yet. If it does not work i think that i will try to upgrade to 1.86.