If you are asked to update your Android app to get a new feature or fix a bug, you should first check to see if your app has already automatically updated. This is a common way to manage your apps on your phone, but many people turn this off.
To see what version app you are running, open the ONSCREEN app on your phone. Then select the Profile tab:
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If the App Version is not at the latest, you can open the Play store and get the latest
Open Play app
Click on your picture or avatar in upper right
Click on Manage Apps and Device
Click on either "Update All" or "see Details"
Scroll down to find ONSCREEN Senior Video Calling
Select Update
 Open the Play app |
 Click on your picture |
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 Select Manage apps & device |  Select Update All or See Details |  Select Update for ONSCREEN |