I purchased AGPTEK M20S. Once I receive the Mp3 Player, I tested several MP3 files and flac files. The player skipped flac file (24 bit, 176.4 khz) and jumped to MP3 file. At that time I thought I need to upgrade firmware for the player. With Actions Audio Product Tool, I think I selected both 1) PRODUCTION and 2) FLASH_ERASE and downloaded. As a result, my M20s do nothing and but just show “AGPTEK” on the display. Can’t turn on or off the player.
At first, though connected to PC, PC and Actions Audio Product Tool could not detect the M20s. With desperate Googleing, I managed to have Actions audio product tool detect my M20s as ADFU, while pc seems recognize M20s as “Actions USB 2.0 (HD) WinUSB device”. Anyway, while Actions Audio Product Tool detect M20s, I press the button “Download”, the progress stop at 94% with Flash_Type_Error (84).
Please help me to fix this error. I didn’t even play one song with my new M20s. Considering international post charge, it is not reasonable to send my M20s to service cneter and receive repaired one. I am willing to learn any knowledge or skill to repair my M20s.