I have a hint for Blackberry: if you're gasping for breath under the attacks of your competitors, desperately need to get some users back and have managed to make a decent OS that actually stands a chance, you might not want to put that OS in high-end phones with high-end prices that would push away the majority of potential customers even if they weren't already afraid you'd die tomorrow and drop support for your €600 phone.

Make low-to-medium end phones, regain a sizable portion of the pie, and then you can go for the high ends.

The Z10 still sells for €400 upwards here, which is a lot for a model that is no longer hot, barely supported at all by app writers and unlikely to remain supported by blackberry itself for long.

The only way I'd ever see myself going for a Blackberry now would be if they pulled a HP TouchPad and sold off everything at super-discount prices.