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A confirmation message will appear once the newly uploaded image will be set as a boot image (if the option is selected as “yes” in Step 9) If the above option is selected as “Yes” the new uploaded IOS File will be set as Boot Image and in the next ASA reload, ASA will be boot with a new image. “No – If you do not want to boot ASA for the new IOS image now. “Yes – If you want to boot the ASA with the new image in the next reload.” Just after IOS upload is completed, a prompt to “ set the image as boot image” will appear. Uploading will start as soon as "Upload Image" is clicked, wait util it gets uploaded 100% successfully without any error. IOS file is ready to be uploaded to the ASA. Select “ ASA” by clicking “ Application Profile” drop-down tab as shown below.Ĭlick “ Browse Local Files” and Select the IOS file saved in the local computer in Step 1 Step4: After logged in into ASA " Tools" and then " Upgrade Software from Local Computer."Ĭlick “U pgrade Software from Local Computer” and You will see the page as shown below

edledge-asa# delete flash:asa992-32-lfbff-k8.SPAĭelete filename ?ĭelete disk0:/asa992-32-lfbff-k8.SPA? If needed delete old unused IOS images to make some free space. Select the IOS Version and download it from the Cisco Software Download Center and save it in the local Computer.Ĭheck & ensure ASA flash has enough space for new IOS using command shown below. Below are the steps to guide how to upgrade & downgrade the ASA IOS and ASDM image.

If you are looking to upgrade or downgrade the IOS/firmware/image of the Cisco ASA then below mentioned steps will be helpful. Follow the link to get CLI method to upgrade IOS of ASA. This article contains GUI method of upgrading Cisco IOS. Model: ASA 5506-X, ASA 5506 W-X, ASA 5508-Xĭescription: In this article we will discuss stepwise how to upgrade and/or downgrade the IOS of Cisco ASA Firewalls.