iBasso DX90 firmware modified by Lurker
The detailed description of all the changes is here. The archive with all the previous releases is here.
DISCLAIMER: No changes were made to the basic player functionality and behavior! Expect the same bugs and misbehavior found in the base stock firmware! No warranty at all: use the modified firmware at your own risk and responsibility!
DX90FirmwareV2.5.1-L2.zip- highly optimized (please read about Ultimate cleanup), the fonts are replaced with one based on Roboto Condensed, my build of NTFS driver, MangoPlayer from DX50 firmware v1.9.5 with improvements and bug fixes.DX90FirmwareV2.5.1-L3.zip- based on L2, with the original fonts.
Note: these images can be flashed cleanly using RK FactoryTool (aka BatchTool)!