Work: Ap3g2-k9w7-tar.153-3.jf15.tar

You would typically use Ap3g2-k9w7-tar.153-3.jf15.tar when you want to:

: The file is a compressed archive containing the IOS image, radio firmware, and HTML GUI files. Ap3g2-k9w7-tar.153-3.jf15.tar

This filename suggests that it could be a tar archive file, given the .tar extension at the end. Here's a breakdown of what the filename might imply: You would typically use Ap3g2-k9w7-tar