As an "E7" maintenance release, it focuses heavily on bug fixes and resolving vulnerabilities found in earlier versions of the 15.2(7)E cycle.
Are you planning to perform a or a USB-based upgrade for this firmware?
Check your switch's flash space using the dir flash: command.
: Identifies the hardware platform (Catalyst 2960-L Series).
: Signifies that the image runs from RAM and is compressed.