1.Tap the blue circle icon on the main page. ...
2.Choose Sell.
3.Select the asset you want to sell, in this case, we'll pick bitcoin.
4.Choose how much you want to sell, or tap the "Max" button on the 5.left of the page to sell it all.
6.Review the page, again note the
Coinbase login fee.
7.Tap "Sell now."