Introduction

Unwanted calls — from spam numbers, robocalls, or telemarketers — are among the most frustrating parts of owning a smartphone. If you’re using a Motorola phone running Hello UI, you’ll be glad to know that blocking spam calls is easier than ever.

Motorola’s Hello UI, built on top of Android, gives users access to both Google’s advanced call protection tools and Motorola’s custom features that can automatically detect, filter, and block unwanted calls.

In this detailed guide, we’ll show you how to block spam calls on Motorola devices, how to use Google Phone’s spam filter, and how to manage blocked numbers for maximum peace of mind.

Understanding Spam Calls and Why You Should Block Them

Before diving into the steps, let’s briefly understand what spam calls are and why it’s essential to stop them.

Spam calls include:

  • Telemarketing or sales calls you never asked for.

  • Robocalls (automated messages).

  • Scam calls pretending to be from banks or delivery services.

  • Fake technical support or prize notifications.

These calls can waste your time, invade your privacy, and in some cases, even lead to phishing scams or identity theft. By blocking them, you protect both your personal information and your mental peace.

Built-in Spam Protection on Motorola Hello UI

Most Motorola smartphones use Google Phone as their default dialer app. The good news? It includes one of the best spam protection systems in Android, powered by Google’s extensive spam database.

Let’s go step-by-step.

Step 1: Open the Phone App

  1. On your Motorola device, tap the Phone (dialer) app.

  2. Tap the three dots in the top-right corner.

  3. Select Settings.

Step 2: Enable Caller ID and Spam Protection

  1. In Settings, find and tap Caller ID & spam.

  2. Turn on the following options:

    • See caller and spam ID

    • Filter spam calls

These features let Google automatically detect potential spam numbers and alert you with a “Spam” label during incoming calls. If you enable Filter spam calls, suspected spam calls will be silently blocked — your phone won’t even ring.

Step 3: Manually Block a Specific Number

If a spam number keeps calling you, you can block it permanently:

  1. Open the Phone app.

  2. Go to the Recents tab.

  3. Tap and hold the number you want to block.

  4. Select Block/report spam.

  5. Confirm by tapping Block.

Once blocked, that number can’t call or text you again.

How to Report a Spam Call

Blocking is great, but reporting spam calls helps Google improve its protection for everyone.

To report:

  1. After receiving a spam call, open the Recents tab.

  2. Tap the number.

  3. Choose Report spam and select a reason (e.g., Telemarketing, Fraud, etc.).

Google will analyze your report and may flag that number in its global spam database.

Using Hello UI’s Built-in Blocking Features

While Google Phone handles most of the spam protection, Motorola’s Hello UI adds extra options for call management.

Depending on your model, you can find additional controls in:
Settings › Apps › Default Apps › Phone App › Call Blocking & Identification.

There, you can:

  • Block private or unknown numbers.

  • Disable call notifications for blocked numbers.

  • Add custom rules for international or local prefixes.

This is especially useful if you’re getting repeated calls from hidden or masked numbers.

Block Unknown or Private Numbers Automatically

Some spam callers hide their identity by showing “Private Number” or “Unknown.” You can block them easily:

  1. Open the Phone app.

  2. Tap More (⋮) › Settings.

  3. Tap Blocked numbers.

  4. Enable Unknown or private numbers.

Your Motorola will now automatically block calls without caller ID.

Enable “Do Not Disturb” Mode for Temporary Silence

If you’re overwhelmed by spam calls, Do Not Disturb (DND) mode offers a break.

Here’s how to enable it:

  1. Swipe down from the top of your screen to open Quick Settings.

  2. Tap Do Not Disturb.

  3. Go to Settings › Notifications › Do Not Disturb for advanced options.

You can configure DND to allow:

  • Calls from contacts only.

  • Calls from favorites.

  • Or no calls at all during work or sleep hours.

This is a great way to keep your phone peaceful while staying reachable to important people.

How to Unblock a Number on Motorola Hello UI

If you blocked someone by accident, unblocking them is simple:

  1. Open the Phone app.

  2. Tap the three-dot menu › Settings › Blocked numbers.

  3. Tap the X next to the number you want to unblock.

  4. Confirm Unblock.

That number can now call or text you again.

Using Third-Party Apps for Extra Protection

While Motorola’s built-in spam blocking is strong, you can take it a step further with third-party call management apps.

Here are a few reliable options available on the Google Play Store:

1. Truecaller

  • Automatically identifies incoming calls.

  • Blocks spam, scams, and robocalls.

  • Maintains one of the world’s largest spam databases.

2. Hiya – Caller ID & Block

  • Detects spoofed and fraudulent numbers.

  • Offers smart spam filtering and community reporting.

3. Call Control

  • Customizable block lists.

  • Automatically filters robocalls and unknown numbers.

📌 Note: Only use one spam-blocking app at a time to avoid conflicts with the system’s default phone app.

Advanced Spam Blocking Tips for Motorola Hello UI

If you want to take full control of your spam filtering experience, try these expert tips:

💡 1. Keep Google Play Services Updated

Google’s spam protection relies on background services.
Go to Play Store › Manage apps & device › Updates available and update:

  • Phone app

  • Google Play Services

💡 2. Use Contact Groups Wisely

Add your important contacts (family, work, etc.) to a Favorites list.
Then, configure Do Not Disturb to allow only calls from that group.

💡 3. Avoid Answering Unknown Calls

Many spam systems track “active” numbers by checking who answers.
If you suspect a spam call, ignore it or let voicemail handle it.

💡 4. Use Google Assistant’s Call Screening Feature

Some Motorola Hello UI models support Call Screening through Google Assistant.

When a suspicious call comes in, tap Screen Call.
Google Assistant will answer and ask the caller to identify themselves. You’ll see their response in real time — and can choose to answer, block, or report.

To enable:
Phone App › Settings › Spam and Call Screen › Call Screen › Automatically Screen Spam Calls.

💡 5. Check Blocked List Regularly

Visit Phone App › Settings › Blocked Numbers occasionally to make sure no important contact is blocked by mistake.

Troubleshooting Spam Blocking on Motorola Hello UI

If spam calls are still getting through, try the following solutions:

1. Spam Filter Not Working

✅ Fix:

  • Open Phone App › Settings › Caller ID & Spam.

  • Ensure both “See caller and spam ID” and “Filter spam calls” are turned ON.

  • Restart your phone.

2. Unknown Numbers Still Ringing

✅ Fix:

  • Open Blocked Numbers and turn on Block calls from unidentified callers.

3. Truecaller or Hiya Conflicts

✅ Fix:

  • If using a third-party app, go to Settings › Apps › Default Apps › Phone App, and make sure only one dialer is active.

4. Spam Calls with Local Numbers

✅ Fix:
Some spam calls mimic local numbers. To reduce this:

  • Enable Filter spam calls in Google Phone.

  • Use Truecaller for advanced regional spam detection.

Frequently Asked Questions (FAQ)

Q1: Does Motorola Hello UI have built-in spam protection?
➡️ Yes, it integrates Google Phone’s Caller ID and spam filter system by default.

Q2: Can I block calls without third-party apps?
➡️ Absolutely. You can block and filter spam directly from the Google Phone app settings.

Q3: What happens when I block a number?
➡️ Blocked numbers can’t call or send SMS messages. You won’t receive any notifications from them.

Q4: Can I see if a blocked number tried to call me?
➡️ Yes. Go to Phone App › Recents — you’ll see missed call attempts marked as “Blocked.”

Q5: Is it safe to use Truecaller or Hiya with Motorola Hello UI?
➡️ Yes, but use only one spam-detection app to avoid performance issues.

Conclusion

Spam and unwanted calls don’t have to ruin your day. Thanks to Motorola Hello UI’s integration with Google’s spam protection tools, blocking these calls is simple and highly effective.

Whether you use the built-in Phone app, Hello UI call settings, or advanced tools like Call Screening and Truecaller, you can keep your Motorola phone quiet, focused, and free of distractions.

Take a few minutes to enable these features today — and enjoy a cleaner, spam-free calling experience every day.

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