firebase • Jun 25, 2026
Tap to verify: No SMS, no Friction with Firebase Phone Number Verification
Are you still relying on SMS OTPs to verify user phone numbers? Nohe explains how to use Firebase Phone Number Verification (PNV) to securely verify user numbers directly through mobile carriers with a single tap. Learn how to prevent SMS pumping fraud, bypass slow carrier delivery times, and build a frictionless Kotlin Android onboarding flow.
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