3 ms·
There is no FOSS in GSM/CDMA world, these technologies are closed as hell and there is no open information about the sim-card computers. Almost any old GSM phon
by eimrine 4y ago
There is no FOSS in GSM/CDMA world, these technologies are closed as hell and there is no open information about the sim-card computers. Almost any old GSM phone (at least Siemens and Nokia) can chose towers voluntary - but in too developed countries having too small size on the globus everything pre-3G is disabled.