Solution : https://service.sap.com/sap/support/notes/638324 (SAP Service marketplace login required)
Key words : 
upgrade terminates withoutany error messages, <mobile installation root>\bin, prerequisites pre-requisites, unexpected finalupgrade status, file called'sapcar_extractfilelist, sap note 480180 forinformation, extracted file 'clientupgradetarget, terms clientupgradetarget, hidden file, file 'note0638324
Related Notes : 
       
| 750098 | CRM Mobile Client Component: Upgrade to 3.0SP20 / 3.1SP10 | 
| 651931 | CRM Mobile Client Component: Upgrade to 3.0SP18 / 3.1SP08 | 
| 627133 | CRM Mobile Client Component: Upgrade to 3.0SP16 / 3.1SP06 |