What is .AOS file extension?
Firmware file used by ARCHOS tablet PCs and netbooks; contains updates for the operating system, new features, feature improvements, and bug fixes; used for periodically updating and securing ARCHOS devices.
To update the firmware of an ARCHOS device, drag an updated AOS file onto the root directory of the ARCHOS device in Windows.
You can see a list of software programs here on www.easyfileopener.org that can open this file type so that you don’t need to search for it on the web. You can then open your file with this extension using a software listed below.