Can I have GarageBand
Why do we need to download software update on setting
iPhone 8 Plus, iOS 15
User profile for user:
Community User
You can easily download and use Garageband for your iPhone 8 Plus.
But before you can do that, you need to update to iOS 16 which is required to use GarageBand.
You can see how to update your iPhone here:
Update your iPhone or iPad - Apple Support
After update, Garageband for iOS can be downloaded (from your iPhone) here:
https://apps.apple.com/us/app/garageband/id408709785?ls=1&v0=www-us-ios-garageband-app-garageband