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Déjà Vu - A local RF based back end for the µg Pro

Mobile/cell and WLAN/Wi-Fi based network provider for UnifiedNlp and microG
New in version 1.1.12
- Update gradle build environment
- Add debug logging for detection of 5G WiFi/WLAN networds
- Add some Czech, Austrian and Dutch transport WLANs to ignore list
UnifiedNlp backend that uses locally acquired WLAN/Wi-Fi AP and mobile/cellular
tower data to resolve user location. Collectively, “WLAN/WiFi and
mobile/cellular” signals will be called “RF emitters” below.

Conceptually, this backend consists of two parts sharing a common database. One
part passively monitors the GPS. If the GPS has acquired and has a good position
accuracy, then the coverage maps for RF emitters detected by the phone are
created and saved.

The other part is the actual location provider which uses the database to
estimate location when the GPS is not available.

This backend uses no network data. All data acquired by the phone stays on the
phone.

Packages

Although APK downloads are available below to give you the choice, you should be aware that by installing that way you will not receive update notifications and it's a less secure way to download. We recommend that you install the F-Droid client and use that.

Download F-Droid
  • Version 1.1.12 (21) suggested Added on 2019-08-22

    This version requires Android 4.3 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • connect and disconnect from Wi-Fi
      Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.

    Download APK 0.8 MiB PGP Signature | Build Log

  • Version 1.1.11 (20) - Added on 2019-04-22

    This version requires Android 4.3 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • connect and disconnect from Wi-Fi
      Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.

    Download APK 0.8 MiB PGP Signature | Build Log

  • Version 1.1.10 (19) - Added on 2018-12-21

    This version requires Android 4.3 or newer.

    It is built and signed by F-Droid, and guaranteed to correspond to this source tarball.

    Permissions
    • view Wi-Fi connections
      Allows the app to view information about Wi-Fi networking, such as whether Wi-Fi is enabled and name of connected Wi-Fi devices.
    • connect and disconnect from Wi-Fi
      Allows the app to connect to and disconnect from Wi-Fi access points and to make changes to device configuration for Wi-Fi networks.
    • access approximate location only in the foreground
      This app can get your approximate location from location services while the app is in use. Location services for your device must be turned on for the app to get location.
    • access precise location only in the foreground
      This app can get your precise location from location services while the app is in use. Location services for your device must be turned on for the app to get location. This may increase battery usage.

    Download APK 0.8 MiB PGP Signature | Build Log