If CM Mobile will not open, work through the following steps:
Check that your device is compatible with CM Mobile by referring to the Supported Platforms article.
Check that CM Mobile was downloaded from the Google Play Store or Apple App Store, and that any pending updates have been installed.
If the problem persists, uninstall and reinstall the app.
If the issue continues after completing these steps, raise a new case online and reference the title of this article. Include the following details:
Make and model of your device.
Android or iOS version.
Any error messages or related information that may be helpful.