[iOS] Downgrading Cocoapods

First you can figure out which version of Cocoapods you are on with the command:

1	pod --version

You can also see all the version of Cocoapods you have installed with this command:

1	sudo gem list cocoapods

Next uninstall Cocoapods. If you have multiple version, you will have the choice of uninstalling all or a specific version.

1	sudo gem uninstall cocoapods

Finally you can install the specific version with this command:

1	sudo gem install cocoapods -v 0.39.0