the 9810 seems to be available on Amazon.
If your on corporate PC or cell hone you may be restricted by the IT policy's your company imposes. If not then your have some type of anti virus software or firewall setup restricting your access to this link.
As for UBER, it offers an App on Appworld for the blackberry. https://appworld.blackberry.com/webs...ode=US&lang=en
So bottom line is, Are you in the US? are you on any type of corporate cell or computer? do you have a data plan for blackberry with ATT?