Common Reasons for Not Receiving Verification Codes
Several factors may prevent you from receiving verification codes on OKX (formerly OKEx):
- Poor Network Connectivity: Unstable internet connections can disrupt SMS delivery.
- Incorrect Phone Number: Typographical errors in your registered mobile number.
- High Frequency Requests: Multiple verification requests within short intervals may trigger rate limits.
- Device Settings: Blocked SMS permissions or spam filters on your smartphone.
Step-by-Step Solutions
1. Verify Network Connection
- Switch between Wi-Fi and mobile data to test connectivity.
- Ensure strong signal strength (>3 bars) for reliable SMS delivery.
👉 Learn how to optimize your device's network settings
2. Confirm Registered Phone Number
- Cross-check the +[country code] and number in your OKX account profile.
- Test reception by sending a non-OKX SMS to the same number.
3. Manage Request Frequency
- Wait 60+ seconds between verification attempts.
- Avoid rapid repeated clicks on "Resend Code" buttons.
4. Adjust Mobile Settings (Device-Specific)
For Android:
- Go to Settings > Apps > OKX > Permissions
- Enable "SMS" permission
- Whitelist OKX in your SMS blocker apps (if any)
For iOS:
- Navigate to Settings > Messages > Blocked Contacts
- Remove OKX from blocked numbers
Additional Troubleshooting Methods
- Try alternative browsers (Chrome/Firefox) or devices
- Contact OKX 24/7 customer support
- Enable Google Authenticator as backup 2FA method
FAQ Section
Q1: Why does OKX limit verification code requests?
A: Rate limiting prevents SMS spam and protects accounts from brute-force attacks. The standard cooldown period is 60 seconds.
Q2: Can I use virtual phone numbers for OKX verification?
A: No. OKX prohibits VOIP numbers for security compliance. Only carrier-registered mobile numbers work.
Q3: How long are verification codes valid?
A: Typically 5 minutes. Requesting a new code automatically invalidates previous ones.
Q4: What if solutions don't work?
A: Submit a support ticket with:
- Screenshot of error
- Device model and OS version
- Carrier information