Homebrew developer Pirata Nervo has released an update to NervOS, an iR Shell-esque shell replacement for the PSP that aims to provide a user friendly and feature rich interface.

Version 1.4 introduces multi-tasking support, an integrated music player, a minimalistic volume bar, and a task manager for monitoring running processes.

Download NervOS v1.4

[Release] NervOS 1.4 [Endless Paradigm]

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Read more: NervOS v1.6,  NervOS v2.0,  NervOS v1.7,  NervOS 1.0 – Interface Shell For PSP,  NervOS v2.1 Released, Shell Replacement For PSP