If you're having trouble completing 2-step verification to sign in to your account, make sure your mobile device software and Coinbase app up to date. If you're using a browser to sign in, make sure you're using the latest version of Chrome. Clearing your cache and restarting your browser can also help. How do I start using Coinbase? Here's how to begin. Download the Coinbase app for iPhone or Android.
Open Coinbase and tap “Get Started.”