You can update the CommCare app by using the App Manager. This will allow you to update without logging into the app using an specific username and password.
Start by connecting your device to the internet.
Step 1. Open CommCare and select the options button and select Go To App Manager
Step 2. Select the app you want to update.
Step 3. You’ll be presented with 3 options. Select Update
Step 4. If there’s an update you’ll see the following as CommCare downloads the new update.
Step 5. Select update.
Once successful you’ll see the following:
Step 6. Return back to the login screen and login to the App.