To review changes made to a Purple App's infrastructure (icon, colours, etc.) or to preview upcoming releases, you may need to install a preview app on your device.
Learn here: How do I download a preview app to my device?
Here are the most common reasons why a preview application fails to install:
If you receive a message when starting your app stating that your integrity could not be verified, your device ID may not be stored in the provisioning profile. Learn more about storing UDIDs
As a customer, please do not select a profile in Purple Manager, when building the app, if you want to install a preview app on your device. Profiles are required for our development and customer success teams to install your app.
To avoid this error, simply always rebuild your app without selecting a profile in the Build App dialogue box in Purple Manager before. Afterwards, you can scan the QR code and download the Preview App to your mobile device.
Make sure you always rebuild the app in Purple Manager before downloading. Make sure that no profile is selected in the build dialogue in Purple Manager.
To avoid this error, simply always rebuild your app without selecting a profile in the Build App dialogue box in Purple Manager before. Afterwards, you can scan the QR code and download the Preview App to your mobile device.
Please make sure that you always install an app version without a selected profile. It is possible that Sprylab staff has created a newer version than yours that contains a profile that prevents installation on your device.
To avoid this error, simply always rebuild your app without selecting a profile in the Build App dialogue box in Purple Manager before. Afterwards, you can scan the QR code and download the Preview App to your mobile device.