How can I downgrade my ionic cli to the previous version, I had?

Question

The recent version is 3.2.0 and I'm facing lot's of issues with it like the ionic serve command not working.

Answer 1

npm install -g ionic@version_number

ex: if you want to install ionic 2.5.0,

npm install -g ionic@2.5.0

edit: to list all versions of ionic, npm info ionic

Answer 2

You can downgrade to your old version by running below command:

npm install -g ionic@3.9.2

Get your version here

IONIC CLI VERSIONS

Answer 3

You may try uninstalling it first: npm uninstall -g ionic then install it again with the version that you want to install npm install -g ionic@x.x.x

then check ionic version with ionic --version you may need to restart your terminal to get the latest version running

Answer 4

First thing first, uninstall the current version:

    npm uninstall -g ionic

then, install the version you want :

   npm install -g ionic@"the version for example @3.20.0"

Answer 5

You just need to do like this:

npm install -g ionic@3.1.0

Changelog

Answer 6

Sometimes it throws error while overwriting the existing files , so add --force

Ex, If you want to downgrade to version 3.20, run: npm i -g ionic@3.20 --force

Answer 7

I like prefer use version 6
npm install @ionic/angular@6