In some cases you can use your Instagram account through the mobile apps.
Although through #Likes the actions maybe restricted, you maybe able to to like posts and follow other users through the mobile app. This is because how the restriction for the app is applied different from the website.
If you receive an email saying that your actions are restricted, this applies to the web version.
Please note that during the period that your account is restricted, if you perform to many actions the mobile app will also be restricted as well. Please refrain from performing to many actions in a short period of time.