Privacy Cell 1.7 has been released. It includes a new, more serious warning, when connecting to older, antiquated networks. Almost all 2G networks have been decommissioned. There is also an option to consider 3G networks to be antiquated, as they are in the process of being decommissioned. There is also a new Protocols Activity, which […]

Privacy Cell 1.6 has been released. After the release of Privacy Cell 1.5, I realized that two permissions were added to the app in addition to those specified in the manifest file. After some investigation, I discovered that this was caused by android.work, which was added as part of Privacy Cell 1.4 to fix issues […]

Privacy Cell 1.5 has been released. It fixes a bug that caused the app to crash if realtime monitoring was enabled and the READ_PHONE_STATE permission was denied. This release bumps the target API to 31 (Android 12), which enables the NR_ADVANCED additional network info type. It also includes the first full French translation contributed by […]

Privacy Cell 1.4 has been released. It fixes problems with the realtime notification being disabled or killed in the background as well as a problem with the wrong notification sound playing if the network is secure when the notification first launches. Troubleshooting the realtime notification problems required creating a logcat activity. This release contains the […]

Privacy Cell 1.3 has been released, which adds a realtime monitoring option. Adding the realtime monitoring service requires the addition of the FOREGROUND_SERVICE and RECEIVE_BOOT_COMPLETED permissions as described in the permission documentation. Realtime monitoring is disabled by default. It can be enabled in the settings. Different sounds can be chosen by the user if desired […]

Privacy Cell 1.2 has been released. The major change is that there is now an option to use a bottom app bar. This release also features the first full Spanish translation contributed by Jose A. León as well as a partial French translation contributed by Kévin L. and a partial Italian translation contributed by Francesco […]

Privacy Cell 1.1 has been released. It adds information dialogs that explain the cell phone network protocols. There is also a partial Spanish translation contributed by Jose A. León. I expect that the next release will have full translations in several languages.

As some of you probably already know, the bulk of my current effort is being spent on building Privacy Browser PC. But a couple of weeks ago I came across an article explaining how 5G networks were designed with protections against interception by stingrays (IMSI catchers). For a long time I have been concerned with […]