Cellular Z is a telecom signal quality and Wifi network info, channel info software, the main functions are as
1.Dual SIM mobile phone network information (SIM card serving cell, serving cell signal quality,neighboring cells).
2.Wifi information (connected, nearby Wifi list, Wifi channel 2.5 and 5 GHz).
3. Current location information GPS Satellites
4. Device information (battery, hardware, system).
6.Map track,indoor coverage.
PS: READ PHONE STATE & ENABLE LOCATION is necessary , with out these permissions app can show nothing !!!