Используйте приложение APKPure
Историческую версию Cell Info можно получить на Android
Наиболее интуитивно понятное приложение монитор сигнала на Android Market!
This app monitors and analyzes your mobile network and warns you if there are problems.
For beginners: easy to understand, you don't need to be an IT expert. You can detect the problems without knowing how the signal strength, ASU work or what they mean
Main features:
* detailed mobile network information
* detailed SIM information
* analyzing function
* real-time signal strength on the dashboard and on the graph.
Dual SIM devices are partially supported.