Samsung YEPP the iPod's operating system. The Z5F has some features, such as an FM radio and a dictaphone, not provided on the Z5. To celebrate the sale of one million Z5Fs, Samsung auctioned 10 gold-plated Z5Fs in Korea. The player has the re-designed YEPP logo. According to a firmware release schedule on the official YEPP website, Z5(F) should have received a text-file reader on 30 December 2006. The firmware for a text reader was instead released in September 2007 (version 2.51). The player was expected to support video playback, but this feature was not included in the official release, pending further
Samsung YEPP discontinued in most countries. Samsung released the successor to the YP-GI1, the YP-GI2 (Galaxy 070) only in Korea in August 2013. Samsung shut down all official MP3 players dedicated websites and blogs in Korea and worldwide. As of December 2016, Samsung discontinued their MP3 players and Android-based Galaxy Players lines worldwide. Even though Samsung never announced officially they would stop producing MP3 players, it appears they actually did. The naming scheme of Samsung players has always been the same. For example, YP-P2JEB, where J stands for Janus (MTP models, no letter if UMS), E stands for 16GB (V:256MB; X:512MB; Z:1GB;