Set up an authenticator on Blackberry
Grab your Blackberry 7.
For the authenticator to work, your device needs to be set to use US English.
Go to Settings
> Typing and language
For: Display language choose US English
For: Physical keyboard choose US English
For: Voice dialling choose US English
For: Voice search choose US English
Tap the Back arrow.
Open your phone’s web browser.
Navigate to the address: m.google.com/authenticator
Tap Yes on the page that asks for Applications permissions.
When installation is completed, tap Run and close these instructions.