successfully update from 3.0.3.9 to 3.1.0.12 but camara not working, volume keys, up and down not working when toggle.

I used the below steps for making the update, am newbie to sailfish os therefore any support/help will be highly appreciated.

1.Open Terminal app
2. devel-su
3 ssu release 3.1.0.12
4. version --dup
5. reboot device.