Step by step:

1. pair bluetooth keyboard with phone
2. switch phone to developer mode
3. copy bluez-test_4.91-0maemo7+0m6_armel.deb to device (for example MyDocs folder)
4. open terminal and go to root user:
devel-su
5. install bluez-test package:
dpkg -i /home/user/MyDocs/bluez-test_4.91-0maemo7+0m6_armel.deb
6. update packages lists and install broken dependencies for bluez-test package:
apt-get update
apt-get -f install
7. if keyboard in suspend state, press key “link” and type:
hidd –connect <keyboard Bluetooth address>
or
hidd –search
8. Keyboard will detected and connected to phone. Check it:
hidd –show
9. repeat step 7 if connection was losted or keyboard was switched off (not need switch to root with devel-su)

bluez-test package http://mail.pdaxrom.org/~sash/N9/blu…b0m6_armel.deb
 
Howto-Connect-Bluetooth-keyboard-N9-560

 

Source MeeGo Thanks to sashz to all the hardwork 🙂