Whenever you want to update your profile information or settings in the mobile app, follow these steps:
1. Access application's menu and tap on your profile picture;
2. Tap the gearwheel icon in the upper-right corner;
3. At the next step, you can choose to update your profile information*, change email or password, enable/disable notifications and private messages.
* Don't forget to always tap the checkmark icon in the upper-right corner of the screen whenever you're done updating your personal info in the section "Edit Profile".