Thanks to an email I received from ‘Mr Walkman’ my NW-A55 digital music player now thinks it’s an £8000 music player from Australia. If you have a digital audio Sony Walkman which has missing features or compromised functionality - it may be possible to do something about it. LINKS: Destination & Sound Pressure Tool https://www.rockbox.org/wiki/SonyNWDestTool Mr Walkman's Custom Firmwares: https://www.mrwalkman.ml (Note these Firmwares are BEER WARE - that means it's only right to give a donation for a beer if you use them).