Samsung 840 EVO Firmware & Performance Restoration Tool (including mSATA) Samsung 840 EVO Firmware & Performance Restoration Tool (including mSATA) Oct 15, 2014 840 evo Firmware Restoration Performance mSATA degrading slow samsung samsung posted thier firmware and a tool to fix it today Samsung 840 EVO Performance_Restoration (Mirror) PDF Guide Share Tweet Written by: nwgat