You can check your version of Adapt from the login screen.
To get to the login screen while logged into Adapt, swipe down and tap settings, then logout.
Next to the login version, will be the version number of your currently installed Adapt (example below)
The most recent version of Adapt will be available to download from the software page on the Sales Portal
If you are still having problems with Adapt after updating to the latest version, please check this list of actions