Use legacy tools like Phoenix, invest in the correct FBUS cable, or simply salvage what you can from the SD card and let the 6255 rest as the legend it is.
After testing over a dozen legacy tools, the undisputed winner for the query is a combination package: Phoenix Service Software v2012.04.008.44718 + the Nokia 6255 specific patch . nokia software recovery tool 6255 download better
Would you like a version of this rewritten as a fake forum post or as a 1-sentence warning label? Use legacy tools like Phoenix, invest in the