1. Go to the Cart screen, as shown below:
2. From the Cart screen, tap the Menu icon on the top-left corner,
3. You will now be presented with the Menu screen. Tap on Settings.
4. From the Settings screen, tap on Security.
5. Tap Change Password
6. You’ll now be prompted with the option to change your password, filling in the required fields as requested.
7. Enter your current password.
8. Enter your new password.
9. Enter your new password again.
10. Tap the Check-mark in the upper-right hand corner to save changes.