How to Upgrade Cisco ASA firewall ?

Cisco ASA is a security device that includes a firewall, antivirus, intrusion prevention, and a virtual private network (VPN). It enables proactive threat defence, preventing assaults from spreading throughout the network.

Fig 1.1- ASA Firewall

Step 1: Copy the ASA software to the active unit flash memory
SecureDNA# copy tftp://10.10.10.1/asa913-smp-k8.bin disk0:/asa913-smp-k8.bin

Step 2: Copy the ASDM image to the active unit flash memory:
SecureDNA# copy tftp://10.1.1.1/asdm-711.bin disk0:/asdm-711.bin

Step 3: Check for current boot images configured
SecureDNA# show running-config boot system
boot system disk0:/cdisk.bin 
boot system disk0:/asa914-smp-k8.bin

Step 4: Set the ASA image to boot
SecureDNA(config)# boot system disk0://asa913-smp-k8.bin

Step 5: Set the ASDM image to use
SecureDNA(config)# asdm image disk0:/asdm-711.bin

Step 6: Save the new settings to the startup configuration
SecureDNA# Wr

Step 7: Reload ASA Firewall
SecureDNA# reload

You are done with the upgrade, Please check the version on the ASA now.