The official headnote is quite long but you can get the gist from paragraph 2:

There is significant evidence of human rights abuses, including within Cabinda and affecting Cabindans, problems of arbitrary arrest and detention, ill-treatment in detention, poor prison conditions, restrictions on freedom of expression, government action against protest and limitations in the legal system and security laws.  However…

Also useful to be told that the 2003 country guidance case is now out of date. Thanks.