【AGPTEK】A20/A20S Firmware Upgrade September 22, 2017 【AGPTEK】A20/A20S Firmware Upgrade In the list of all songs/folders, press the button up/down to browse quickly. Folder adds “Delete” function. Recording settings delete AVR mode and recording background. Update on Dec 18th, 2018 Download >> 【AGPTEK】A20/A20S Firmware Upgrade Support repeat folder Update on Aug 29th, 2018 Download >> 【AGPTEK】A20 Firmware Upgrade Clock interface modified; Allows to browse track directory quickly Download >>