Spam calls are still a huge problem for Android users in 2025. Scammers are getting smarter, using AI to make robocalls and fake caller IDs. That’s why it’s more important than ever to know how to block and manage these calls. This easy-to-follow guide will walk you through all the best ways to stop spam calls—from built-in Android features to helpful apps and carrier tools.
Also Read: How to Turn Tablet Into Second Screen in 2025: Easy Guide for Everyone
What Are Spam Calls?
There are three main types of spam calls:
- Telemarketing Calls – Real businesses trying to sell you something.
- Robocalls – Automated messages, often promoting services or scams.
- Scam Calls – Fraudsters pretending to be from banks, government, or tech support trying to steal your personal information.
Why It’s Important to Block Spam Calls
Spam calls don’t just waste your time—they can be dangerous. They can:
- Interrupt your day
- Trick you into giving away private information
- Cause financial loss
Many spam callers get your number from contests, online forms, or even companies that sell your data. That’s why it’s so important to stay cautious about where you share your phone number.
1. How to Block Specific Numbers
To stop calls from a particular number:
- Open the Phone app.
- Go to your Recent Calls.
- Tap and hold the number.
- Select Block / Report spam.
- Once blocked, they won’t be able to contact you again.
2. Use Android’s Built-In Spam Protection
Android has helpful tools built right in to detect and block spam calls:
- Turn On Caller ID & Spam Protection
- Open the Phone app.
- Go to Settings > Caller ID & Spam.
- Turn on both See caller ID & spam and Filter spam calls.
- Silence Unknown Callers
- In settings, turn on Block unknown/private numbers to avoid calls from people not in your contacts.
- Mark Calls as Spam
- Find the spam call in your call history.
- Tap the number.
Select Report spam to help others avoid the same issue.
3. Take Advantage of Device-Specific Tools
Samsung (Smart Call)
- Open Phone > Settings > Caller ID and spam protection.
- Turn on Block spam and scam calls.
- Choose if you want to block all spam or just high-risk calls.
Google Pixel (Call Screen)
- Google Assistant can screen your calls.
- You’ll see a live text transcript of the call and decide whether to answer.
- It’s a great way to avoid answering scams.
4. Use Caller ID Feedback
Help others identify callers:
- Open the Phone app > Recents.
- Tap Was this a business? or Caller ID feedback.
- Enter your feedback and submit.
5. Make Use of Handy Built-In Features
Caller ID Announcement
- Announces who’s calling out loud.
- Go to Phone > Settings > Caller ID announcement.
- Choose “Always,” “Only with headset,” or “Never.”
- Call Screen (Pixel Only)
- Open Phone > Settings > Spam and Call Screen > Call Screen.
- Set it to automatically screen unknown calls.
- During a call, tap Screen Call to let Assistant ask who’s calling.
You’ll see their response and decide what to do.
6. Activate Do Not Disturb (DND) in India
DND blocks marketing calls in India. Here’s how to activate it:
Via SMS:
- Send START to 1909.
- Reply with codes for the types of calls you want to block.
Using carrier apps:
- Jio: Use the MyJio app.
- Airtel/Vi/BSNL: Follow the instructions on their official sites or send SMS to 1909.
7. Filter Spam Using Your Phone Settings
To turn on spam filtering:
- Open Phone app.
- Go to ⋮ > Settings > Caller ID & spam.
- Turn on Filter spam calls.
- To block a number manually:
- Go to call history.
- Tap and hold the number.
- Choose Block or Report.
8. Use Carrier Apps to Block Spam Calls
Your mobile provider might offer apps to help:
In India:
- Jio Security
- Airtel Call Manager
- Vi Call Filter
- BSNL DND Tools
- International Options:
- AT&T ActiveArmor
- T-Mobile Scam Shield
- Verizon Call Filter
These apps usually block spam automatically and warn you about suspicious calls.
9. Try Third-Party Call Blocker Apps
If built-in tools aren’t enough, install a trusted app:
- Truecaller – Shows caller names and blocks spam.
- Should I Answer? – Community ratings on suspicious numbers.
- Call Blocker – Caller ID – Easy setup, blocks known scam numbers.
Be sure to review app permissions to protect your privacy.
10. Use VPN Services with Spam Protection
Some VPNs now offer spam call blocking:
- They quietly monitor call activity in the background.
- Suspicious calls are blocked automatically.
11. Register on a Do Not Call List
- To cut down on marketing calls:
- Register your number with your country’s Do Not Call list.
- This reduces legit telemarketing, though it may not stop scams.
Can You Permanently Stop Spam Calls?
Spam calls may never go away completely, but you can reduce them by:
Blocking and reporting spam numbers regularly
Keeping your phone and apps updated
Using built-in features and trusted tools
Your actions also help improve spam detection for everyone.
Tips to Stay Safe from Spam Calls
Don’t answer calls from unknown numbers.
Avoid sharing your phone number online.
Use “Do Not Disturb” mode and add trusted contacts to the whitelist.
Never press buttons or respond to robocalls.
Keep your Android software and security tools up to date.
Frequently Asked Questions (FAQs)
1. How do I block spam calls on Android?
Turn on spam protection and block numbers in the Phone app.
2. Can I block unknown numbers automatically?
Yes, use the settings to block private or unfamiliar callers.
3. What app blocks spam calls best?
Popular options include Truecaller, Hiya, and Should I Answer.
4. Can I stop robocalls forever?
Not completely, but you can reduce them by using good tools and reporting them.
5. Can Google Assistant help with spam?
Yes, Pixel users can use Call Screen to identify spam before answering.
6. Are there free options to block spam?
Yes, Android’s built-in tools and DND services are free.
7. What happens if I answer a spam call?
It may tell scammers your number is active, leading to more calls.
8. Can I report spam calls?
Yes, through your phone’s spam report feature or your carrier.
9. Will blocking a number stop their texts too?
Usually, yes. Most phones block both calls and texts from the same number.
10. What if someone uses my number to scam others?
Contact your carrier right away. In serious cases, you may need to change your number.
Conclusion
Spam calls aren’t going anywhere, but that doesn’t mean you’re helpless. With Android’s built-in features, tools from your phone’s manufacturer, third-party apps, and help from your carrier, you can fight back. Use the tips in this guide, stay alert, and enjoy a more peaceful mobile experience.
