If you can log in to your account
1.Open the OKX application and on the user center page, select security settings.
2.Enter the mobile verification page and click change mobile number.
3.On the change mobile number page, enter the new mobile phone number, new phone verification code, current phone verification code, and click confirm .
4.You will receive an Email/SMS confirmation upon successfully changing the phone number.
If you can't log in to your account
A step-by-step guide to purchasing and selling crypto on OKX,
Step 1: Log in to your OKX account
Before you can start buying or selling cryptocurrency on OKX, you must first log in to your OKX account. If you do not yet have an account, click Sign up and complete the registration process.
Step 2: Select Buy/Sell
Once you have logged in to your OKX account, click Buy Crypto in the upper left-hand corner of the screen to get started.
Step 3: Select your purchasing method
The next step is to choose how you would like to buy or sell . There are two primary options on OKX: Express and P2P trade.
Finally, simply confirm your transaction details.
Sign up and log in with the App to claim your Mystery Box worth up to $10,000