inputs.text: buggy worth sort - one important proviso no doubt everyone raving hm901 good cause howeveri received mine january waited write review id read heard firmwarerelated problems dramatically impacting hm901s performance turns proved quite true case four months intensive use whereupon added deleted numerous mp3flac ape files player simply ceased work id deleted 600mb mp3 file replaced another similarsized one lo behold hm901 refused read play music files short refused boot running firmware version 182 time tried upgrading firmware new 185 version following explicit instructions didt work either even purchased brand new sdxc card attempted revival process no availthe redeeming factor phoned customer service answered extremely courteous tried get revive defunct unit resurrection however not cards support personnel without haggling told send back defective player forwarded brand new replacement unit loaded updated 185 firmware im back business might discouraged setback player goodsounding willing stick itwhy giving 3 stars still early game tell whether not replacement unit cut prefer playing safe report back later performance possibly change 3star ratingno matter cut though three stars practice slapping buggy firmware 1000 high end audio player deserves