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No SMS After Submitting Your Number? Troubleshoot with a Four-Layer Funnel—Don't Rush to Resend
When verification codes don't arrive after submitting your phone number, it's usually not a broken number but one of four issues: format, platform risk control, routing, or receiving end. This article provides a step-by-step troubleshooting order, judgment criteria for each step, and when to stop trying and switch number types.
