- Yes that tool is the best for make backup of contacts and conversations, calendar and bookmarks.

- After this install backupmenu.

- Then recharge full the battery of the phone.

- Reboot the phone with the keyboard open.

NOTE: maybe you get an error on the loading of backupmenu forget it, just keep pressing until backupmenu appears.

- Now press f do to fsck.

- tell me if you get any error