Method 1
Read moreHow do I change the stable version of my flutter?
There are several ways to upgrade or downgrade the Flutter SDK version. It can be done by changing the git branch of the Flutter SDK repository, changing the channel, or downloading a specific version from their website . To upgrade to the latest version, you can use the flutter upgrade command.
Read moreHow do I checkout version of flutter?
Flutter CLI has GIT-controlled version management, so it’s easy to switch even with git checkout <tag> command . To see the list of the versions that you can check out just run git tag -l then press q to quit when found the needed.
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