Problem: The client wants to create custom design buttons for the mobile navigation that change the language of the website. Solution: We recommend creating a custom language switcher. You can find detailed instructions on how to do this by visiting Custom Language Switcher. Please note that customization falls outside our standard support offerings.
If this solution does not apply to your situation, or if it seems outdated, we encourage you to open a new support ticket. We also highly recommend checking related known issues at https://wpml.org/known-issues/, verifying the version of the permanent fix, and confirming that you have installed the latest versions of themes and plugins. For further assistance, please visit our support forum at WPML Support Forum.
