Except that Nokia have been locking down handsets at the request of carriers for years (cf, earlier comments about VoIP on Vodafone on certain Nokia handsets).

Except that Nokia have been locking down handsets at the request of carriers for years (cf, earlier comments about VoIP on Vodafone on certain Nokia handsets). They really do have no special power to say 'no' to those guys. None whatsoever.