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How to Secure iPhone Against SMS and WhatsApp Scams

Issue Description 

Fraud messages claim lottery wins, refunds, OTP requests, or fake support messages. 

Common Scam Types 

Fake delivery updates 

OTP or verification requests 

“Urgent payment” scams 

Step-by-Step Protection 

Step 1: Block Unknown Numbers 

Settings → Phone → Silence Unknown Callers 

 

Step 2: Restrict WhatsApp Privacy 

WhatsApp → Settings → Privacy 

Limit who can add you to groups 

 

Step 3: Disable Auto-Link Opening 

Avoid auto-preview links 

 

Step 4: Report Scammers 

Block and report in Messages or WhatsApp 

Explore Further 

Enable carrier spam protection if available 

Prevention & Best Practices 

Never share OTPs.