I don't really think that BBOS 10 has an obsolete UI. The Hub is actually really convenient and I wish more smartphones had something like it.
Blackberry isn't failing because of their OS, they're failing because they were way too late to market with robust smartphones and lost a huge amount of mindshare after Apple and Google ate their lunch.
Blackberry isn't failing because of their OS, they're failing because they were way too late to market with robust smartphones and lost a huge amount of mindshare after Apple and Google ate their lunch.