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How to Protect Android from SIM Swap Scams 

Issue Description 

SIM swap scams allow attackers to take control of your phone number and intercept OTPs. 

Common Scam Signs 

Sudden loss of network signal 

OTPs stop arriving 

Account password reset alerts 

Step-by-Step Protection 

Step 1: Contact Carrier Immediately 

Report SIM swap suspicion 

Suspend number temporarily if needed 

 

Step 2: Secure All Accounts 

Change passwords for banking, Google, email 

Enable 2FA using authenticator apps (not SMS) 

 

Step 3: Set SIM PIN 

Settings → Security → SIM lock 

Enable SIM PIN protection 

 

Step 4: Monitor Account Activity 

Review recent logins and transactions 

Explore Further 

Carrier account PIN setup 

Prevention & Best Practices 

Avoid sharing phone number publicly.