Use APKPure App
Get GSMmap old version APK for Android
App for Samsung S2/S3 to collect network measurements for gsmmap.org
The GSM Security Map at gsmmap.org compares the protection capabilities of mobile networks. This app collects data and adds it to the GSMmap web site.
Data contribution requires
* Samsung Galaxy S2 or S3
* Root privileges
* Android 4.1.2 Samsung firmware
All other phone models and Android versions (e.g. Cyanogenmod) are not supported.