Use the CH Digit application to protect access to networks.
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What's new in the latest 1.4.8
Last updated on 2018-09-29
Minor fixes to support Android 9.
Users with Android 9 who failed registering the application on an earlier version should uninstall the old application first and only then install the current version (v1.4.8). In such a case you would need to contact your service provider and request a new registration.