Try http://www.cpkb.org/wiki/Nokia_N9-00_service_manual
Seen reference to this being successful with N900 so certainly worth a try. You don't say whether pre-owned or recent import from China, but always worth checking that battery isn't swollen. You have probably seen "Resurrect your N9" Wiki:https://wiki.maemo.org/Resurrect_your_N9 Pretty much every available free app. available here:http://talk.maemo.org/showpost.php?p...51&postcount=1 but probably your most essential app. is N9Repomirror here:https://openrepos.net/content/ancelad/n9-repomirror Recommissioned N9 64GB only last week so have probably met up with most of issues, so give a shout if run into any problems.