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Account and login
Can I use an email address or a mobile phone number to register with the app?Why can I still log in to the app when I select a different country code from that at the time of registration?After using WeChat / QQ and other third-party software to log in to the app, I am prompted to register when binding my mobile phone number / emailHow to change the country / region on an account?Why can't I change my account region?Why is there no response when I scan and click the QR code to download the app?Can I change the phone number associated with my account?After using WeChat / QQ and other third-party software to log in to the app, the device list is blank?What can I do if my phone number has already been registered?If I replace my iOS device with Android, can my account log in normally?Why is a security reminder displayed when I open the app?Can I use a third-party account to log in to the app?Can I log in and use one account at the same time on multiple phones?After replacing the mobile operating system, can the original app account log in normally?How many verification code SMSs can I receive a day?When I create a user name, why does the message indicating that the user information storage fails display?How to release a cell number from an old account?Is the login verification code valid for one minute?Why can't I log into the app?Fail to link a mobile number to a new account after deactivating?Forgot password?How to set up an unlocking pattern in the app?How many users can log in with one account at the same time?How many characters can I enter for a 'user name'?How many verification codes can be sent continuously?How long before the app returns to normal if I am told that I have been trying to log in too frequently?How to delete an app account?How to reset password?How do I log in to the app?How can I change my account?Why does the registered account not exist when logging in?How do I change my app account and password?What should I do if I forget the password of my account?How do I register an app account?Why can't I receive the verification code when registering in the app?Why don't I receive the verification code when I register my account with my email address?
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Device connection failure
App use issuesAccount and login

Why can't I log into the app?

Common causes and fixes when login fails.

Dear user, we are sorry for your inconvenience. A server failure, a network issue, or incorrect email settings may be causing the problem. We recommend that you:

  1. Try again at a different time or in a different network environment.
  2. Use another mobile phone or mobile device and log in again.

Is the login verification code valid for one minute?

How long the login verification code stays valid.

Fail to link a mobile number to a new account after deactivating?

Why a deactivated account's number cannot be reused immediately.