There is more happening in the firmware that you can believe!!
( Disclaimer: I used to work there, could give more details, but NDA )
( Disclaimer: I used to work there, could give more details, but NDA )
then they can‘t say anything because of nda. or the gsm standard manual costs hundreds of dollars.
my tin foil hat is glowing, i‘m telling you. we already know that gsm encryption is a joke. i don‘t want to imagine what‘s going on inside all those closed-source baseband firmwares. it creeps me out.