How to Stop Spam Calls & Scam SMS on Android (Step-by-Step Beginner Guide)

Why Spam Calls and Scam SMS Are Increasing Everywhere

Spam calls and scam text messages have become one of the most common phone problems worldwide.

I’ve personally experienced this on my Infinix Android device — random unknown numbers calling nonstop, and fake SMS messages pretending to be banks or delivery companies.

The good news is: you can stop them completely with the right settings.

This guide will show you exactly what to do, step-by-step.

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What Spam Calls and Scam SMS Really Mean

Spam calls are unwanted calls from:

• Fraudsters
• Robocall systems
• Fake businesses
• Scammers pretending to be customer support

Scam SMS messages are fake texts that try to trick you into clicking links or sharing private details.

Examples include:

• “Your account has been blocked, click here…”
• “Congratulations! You won a prize…”
• “Pay this delivery fee now…”

Never trust these messages.

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Why You Keep Getting Spam Calls and Scam Messages

Here are the most common reasons:

• Your phone number leaked online
• You entered your number on unsafe websites
• Scammers send random messages to thousands of people
• You clicked suspicious links before
• Some apps secretly share your data

Don’t worry — the fixes below work even if you don’t know the exact cause.

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Fix 1 — Block Spam Numbers Manually (Fastest Beginner Fix)

If one number keeps disturbing you:

Step-by-step:

1. Open your Phone app
2. Tap Recent Calls
3. Tap the spam number
4. Tap Block or Report spam
5. Confirm the block

That number will never reach you again.

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Fix 2 — Turn On Built-In Spam Protection (Best Android Feature)

Most Android phones now have spam detection.

Enable it:

1. Open the Phone app
2. Tap the 3-dot menu (top-right)
3. Tap Settings
4. Tap Caller ID & spam
5. Turn ON:

• See caller and spam ID
• Filter spam calls

This is one of the strongest protections.

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Fix 3 — Block Unknown and Private Numbers Automatically

If scammers hide their identity, you can stop them too.

Do this:

1. Open the Phone app
2. Tap Settings
3. Tap Blocked numbers
4. Turn ON:

• Block calls from unknown numbers

Now private callers won’t disturb you.

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Fix 4 — Stop Scam SMS Messages on Android

Spam SMS can be blocked inside Google Messages.

Step-by-step:

1. Open your Messages app
2. Tap the 3-dot menu
3. Tap Spam & blocked
4. Tap Enable spam protection

Now Android will automatically filter scam texts.

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Fix 5 — Never Click Scam Links (Most Important Rule)

If an SMS contains:

• Short links
• Urgent warnings
• “Click here now”

Do NOT tap it.

Instead:

• Delete the message
• Block the sender

This simple habit prevents hacking.

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Fix 6 — Use a Trusted Call-Blocking App (Optional)

If spam is extreme, apps like these help:

• Truecaller
• Hiya
• Google Phone spam filter

Beginner advice:

Only install from the Google Play Store.

I’ve helped many people reduce scam calls by over 90% using Truecaller.

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Fix 7 — Remove Apps That Might Be Sharing Your Number

Some apps collect phone data.

Check suspicious apps:

1. Open Settings
2. Tap Apps
3. Review recently installed apps
4. Uninstall anything unfamiliar

Less apps = better privacy.

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Fix 8 — Report Scam Calls and SMS (Helpful for Others)

Reporting improves spam detection.

For calls:

• Tap number → Report spam

For SMS:

• Open message → Report spam

This protects other users too.

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Final Checklist (Quick Recap)

Before leaving, make sure you have:

• Blocked repeat spam numbers
• Enabled spam protection in Phone app
• Enabled spam filtering in Messages
• Blocked unknown/private callers
• Avoided clicking scam links
• Removed suspicious apps

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Final Thoughts (Stay Safe and Stress-Free)

Spam calls and scam SMS messages can feel frustrating, but you are not powerless.

Once you enable the right Android protections, your phone becomes much safer.

This process worked for me personally on my Infinix device, and I’ve also helped many beginners stop scam calls using the same steps.

Stay alert, stay secure, and always protect your privacy.