iBasso DX200 - Firmware Update

Firmware Update:
① Load the firmware update file (ota.zip)
onto a SD card's root folder.
② On the Android desktop, press Settings
->About DX200->System updates ->
local update->default and tap the zip
file.
③ Press update button to start the update.
④ The whole update will take about 10
minutes. Reboot the DX200 after
update completed.