How do I sign out of ROAMpay X5? 1. Go to the Cart screen: Phone: Tablet: 2. Tap the Menu icon on the top-left corner to go to the Settings section. Phone: Tablet: 3. In the bottom, left-hand corner, tap the Logout button. 4. Confirm by tapping Yes. Phone: Tablet: For additional support, please refer to the Support Page in your merchant portal or contact your ISO contact.