Does anyone know how the RIL (/hardware/reference/reference-ril/) determines what gets mounted in /dev/ when the baseband radio gets initiated? In older phones and in other documentation, GSM pho...

I am trying to connect external GSM modem with nexus 5 and send AT command using android RIL layer.I am using android 5.0 AOSP for nexus 5 downloaded from Google source. Error: Permission denied w...

I would like to know high level idea of how Android Modem code will call/pass message to Android application layer. Say we take SMS for example. If network sends SMS and Modem (say Qualcomm C code ...

I'm trying to write an app to talk to the rild. And Yes, I know this is not politically correct, but it's an embedded industrial telemetry app so I'm not concerned about user experience, portabilit...

I am looking for a phone (preferably android) where I can use software to have full control over the cellular radio hardware. anyone know of such a device? preferably a popular device on the ...