▁Hir sch ▁MA 5 8 8 ▁ ▁K ai omy ▁ ▁Inv ion ▁ ▁Cent on ▁ ▁Software ▁util ities ▁Av ailable ▁util ities ▁for ▁Microsoft ▁Windows ▁include ▁an ▁A CT ▁to ▁W AV ▁file ▁converter ▁( for ▁files ▁recorded ▁on ▁the ▁device ), ▁a ▁basic ▁desktop ▁editor ▁to ▁enter ▁contact ▁details ▁for ▁the ▁device ' s ▁phone ▁book ▁function ▁and ▁device ▁drivers ▁for ▁Windows ▁ 9 8 . ▁ ▁An ▁ 8   cm ▁CD - ROM ▁containing ▁some ▁or ▁all ▁of ▁these ▁is ▁included ▁with ▁some ▁versions ▁of ▁the ▁device . ▁ ▁There ▁are ▁also ▁tools ▁developed ▁by ▁individuals ▁under ▁the ▁Open - Source ▁license , ▁such ▁as ▁s 1 res ▁ans ▁s 1 clone ▁that ▁allow ▁the ▁consumer ▁to ▁modify ▁its ▁device ▁by ▁changing ▁bit maps ▁and ▁text . ▁By ▁using ▁de comp ilers , ▁it ▁is ▁possible ▁to ▁add ▁and ▁replace ▁features ▁of ▁the ▁device , ▁steps ▁that ▁were ▁described ▁on ▁the ▁s 1 mp 3 . org ▁w iki ▁page . ▁ ▁F irm ware ▁update ▁issues ▁The ▁firm ware ▁used ▁in ▁various ▁S 1 ▁MP 3 ▁players ▁diff ers ▁significantly , ▁but ▁this ▁is ▁not ▁widely ▁understood . ▁Problem s ▁have ▁ar isen ▁as ▁consum ers ▁have ▁attempted ▁to ▁upgrade ▁their ▁players ▁using ▁in compatible ▁firm ware ▁with ▁a ▁higher ▁version ▁number . ▁ ▁This ▁can ▁damage ▁the ▁players ▁almost ▁perman ently . ▁However , ▁a ▁' de ad ' ▁player ▁can ▁sometimes ▁be ▁recovered ▁by ▁opening ▁it , ▁short ing ▁some ▁p ins ▁and ▁upload ing