Due to limitations in SMS technology, sender names can be easily spoofed. This means fraudulent messages can appear right alongside your real OKX alerts—such as those for login activity or withdrawals—making it difficult to tell the difference at first glance.This manipulation of SMS sender ID is what makes these phishing attempts particularly dangerous and effective.How does phishing SMS work?

Check storage space: Make sure your SMS inbox isn’t full. Delete old messages if necessary. Review blocked messages: Check whether security apps or system settings are filtering or blocking SMS messages. Disable SMS-blocking apps: Temporarily turn off any SMS-blocking or filtering apps on your device. Check carrier status: Visit your mobile carrier’s official website or app to confirm whether the message was successfully delivered.

I haven’t received the SMS codeFacial recognition failed Please update your app to the latest version. To enhance account fund security, the fund password feature has been removed starting from App version 6.0.24. If your page still prompts you to enter or set a fund password, please update the App to the latest version. If you are unable to change the password on your own or are unsure how to proceed, please contact customer support for assistance.

Whenever you find an SMS or email is suspicious, you're always welcome to contact our support center that's available 24/7 to verify the authenticity of the message.

If your mobile phone isn't working properly, or you've lost access to it, or you can't get SMS codes, try the following:My SMS codes aren’t working on OKX Try these fixes first to check if you can get codes working again: Automate your mobile phone time.

Kindly check the following: Your phone storage is not full Network signal is stable Your phone has sufficient balance SMS messages are not in the spam folder No SMS-blocking apps or plugins are installed Since SMS delivery may fail sometimes, we recommend enabling email notifications as an alternative.Are there any fees for transactions? OKX charges zero transaction fees for P2P trading but your bank or transfer app may charge you the corresponding fees when you make a transfer.What is T+1?

If you receive a suspicious email, SMS, or voice call, try to verify it through our official verification tool. If you have any questions, start with our AI chatbot: you can find it in the OKX Support Center on the website or in the app. You can also contact our customer support through chatbot.

Important note, you have to complete your identity verification before you can start adding it.On the app On the P2P trading page, select My profile Select Profile on the P2P trading page Select Payment to see all available payment methods Select Add account, choose your currency and payment method from the list (bank or e-wallet) Select add account option to start adding your details Insert your bank account name (name of the bank card holder) and account number, verify your added payment method via SMS

You'll receive an email/SMS confirmation upon changing authenticator app successfully.Web Go to the Profile icon and select Security. Find Security on the Profile page Find authenticator app and select Change. Find Authenticator app in the Authentication methods section Select Continue and follow the on-screen instructions.

Note: select Unable to verify if you can't complete the verification Enter the two-factor authentication (2FA) code to continue You'll receive an email/SMS confirmation upon successfully changing your phone numberI can't log in to my account You can unlink your phone number on the 2-step verification page, or contact customer support to reset your phone number. You can learn more about how it works here.

Please note that push notifications, SMS, and email may be briefly disrupted. Your funds will remain safe and unimpacted. We apologize for any inconvenience this may cause. Regards, OKX Jul 14, 2025

Also, when you've a large number of orders, don't release your crypto based on an email or SMS notification. Scammers can send a fake SMS which at first glance looks like an SMS from a bank. Or they may send you a fake email, pretending to be from payment services such as Wise or AdvCash. Always check the email address to make sure the domain matches with the service domain. Raise a dispute if the domains don't match. Be cautious of 'partial payment or amount manipulation' scams.

You'll receive confirmation that you’ve been verified by SMS or email. If you haven’t heard from us after 24 hours, check out Support Center or contact AI chatbot for assistance.

If your account stays inactive for the period you've chosen, we'll first try to contact you by email and SMS. If we don’t hear back or see any login activity within your selected response timeframe, we’ll begin contacting your nominated emergency contact by email and SMS. Follow-up messages will be sent every 10 days until we receive a response or your account is reactivated.

Don't rely on SMS notifications or buyer-provided payment screenshots, as these can be faked. Since this is an urgent issue, it’s recommended to submit a dispute or share your feedback with customer service agents while negotiating with the buyer. For delayed payments, such as large transfers, don't release crypto until the funds are confirmed in your account. If you mistakenly release crypto without receiving payment, kindly file a dispute promptly.