Updating your iPhone or iPad's iOS software can help improve device security. Updates will often fix bugs, deliver new features, and protect you from security vulnerabilities. Install the latest available updates to keep your network safe and efficient. Additional information can be found on Apple's Security Releases Site.

How do I find which iOS version I am currently running on my iPhone or iPad?

1. To find the software version installed on your device, go to Settings > General > About. Your current version will be listed under iOS Version.

2. More information can be found at this Apple Support Site. 

How do I update the iOS version on my iPhone or iPad?

1. Back up your device using iCloud or your computer. Information on backing up your Apple device can be found at this Apple Support Site.

2. Plug your device into power and connect to the internet with WiFi.

3. Go to Settings > General, then tap Software Update. The currently installed version of iOS is shown, along with whether an update is available.

4. If an update is available, tap Download and Install. Then, follow the onscreen instructions.

5. From Software Update, you can also toggle to turn on Automatic Updates if desired.

6. More information can be found at this Apple Support Site.