> But the actual problem is the baseband processor running completely non-free software

True, and once that one will be made open-source too, there's still the NSA tracking mobile phones worldwide and generating all kinds of privacy-invading data based on it:

http://www.washingtonpost.com/world/national-security/nsa-tr...

(And until that is resolved, my mobile phone will stay in flight mode only.)

So once again, while tech may help in the short term, long-term solutions will have to be structural/systemic ones regarding government in general.