File Extension AOS

File type: Firmware update file

About the AOS file type:

If Windows cannot find the appropriate program associated with .AOS files, then your registry may have errors. Check your Windows registry for errors (includes file association errors).

The .AOS file extension identifies firmware update files which update or add on applications to software that comes preinstalled on a piece of hardware.

Additional Information:
.AOS update files are specifically used by Archos to update their Gmini range of portable media players, and also by Nokia to update some of their mobile phones.