sry for my english, but i have a how to what works 100%

How to:
- first you save all your data
- than you need to clear your phone
- Flash your phone
- put your phone in the n9 box with all you accessories
- sale it on e*ay or what ever
- buy a Jolla Phone with Sailfish OS

... voilà ... you convert your nokia n9 to new jolla phone WITH sailfish OS.... i think it will be work with all devices on market like samsung, apple, htc and others... with nokia 3210, too.