Firmware update: Rockbox 3.6

An update of Rockbox was released on Thursday with version number 3.6. Rockbox is an open source alternative to the firmware of many portable music players, including several models from Apple, Archos, Cowon and iRiver. The firmware adds additional functionality such as support for different formats and the ability to delete or rename files from the player. An extensive overview of the extra options can be found on this page be found, a faq stands here. The changelog of this release shows the following changes and improvements:


  • Packard Bell Vibe 500 is now a release target.
  • Upgraded/replaced hard disks are now supported on all disk-based players (except Archos). Drives over 137GB and drives with large physical sectors are both supported.
  • Skin support in the radio screen
  • Rewind before resume option added
  • Bookmarks now store pitch and speed info.
  • Hot key support
  • Histogram in recording screen. Only iriver h1x0/h3x0 for now.
  • Multi font support.


  • New features in the text viewer plugin: global settings, per-file settings, header and footer, font selection, multiple bookmarks
  • FFT – a frequency analyzer plugin.
  • New Alarm Clock plugin.


  • Support for Musepack SV8. Integration of decoder library v1.3.0.
  • Support TrueAudio codec.
  • Support Sun Audio codec, Vox(Dialogic telephony formats), and Wave64 codecs.
  • Support SMAF codec.
  • Support for Microsoft, Apple, Adobe, Yamaha and other’s ADPCM in WAV/AIFF
  • New iMDCT library that improves battery life while playing Ogg Vorbis, WMA, AAC, ATRAC3, Cook, and AC3
  • Rockbox now supports playback of ATRAC3 audio in WAV/AT3 containers.
  • ATRAC3 playback is realtime on ARM and Coldfire targets.
  • Rockbox now supports playback of ATRAC3 audio in Sony OMA container.
  • Support for floating point PCM in WAV and AIFF.

Version number 3.6
Release status Final
Operating systems Windows 7, Linux, Windows XP, macOS, Windows Vista
Website rock box
License type GPL