The Nokia , originally released in 2009, is a music-centric smartphone running on Symbian OS 9.4 (S60 5th Edition) . Its final official firmware release reached version v40.0.002 .
It is crucial not to confuse the RM-559 with other X-series variants (like the X6 8GB or 16GB specific regional locks) or the later RM-559 board revisions used in different markets. The firmware installed on the device is strictly tied to its . A device bought in Europe could not install firmware intended for an Asian variant unless the product code was changed via service tools. firmware-nokia-x6-00-rm-559