Just make sure you're logged in. And then under the description of your personal information, you should see an option for updating payment methods.
只要确保您已经登录了。然后在你的个人信息描述下，您应该会看到一个更新支付方式的选项。
3
Probably everyone with a portable device has once logged on to a public WiFi network without paying for it, while they are having a coffee, on a train, in a shopping mall or at a hotel.