http://mynokiablog.com/2010/10/10/hy...higher-detail/ This is a .sis file which you shall install on your device, but I'm not sure that it is certified, i.e. it will give "expired cerificate" or it is simply an unsigned mod. Therefore, you should reflash a custom FW with rompatcher in it, or simply reflash the firmware which has both the mod and rompatcher.