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Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →To stop a specific caller on a Samsung Galaxy, open the Phone app and go to More options (three vertical dots) > Settings > Block numbers. Add the number, or block it from Recents. You can also turn on a separate option to block unknown callers, if your phone offers it—but that can keep legitimate calls from reaching you.
Block a specific number on your Galaxy
Samsung’s documented route is through the Phone app. Menu names and availability can vary: Samsung warns that “The screens and settings on your device may vary depending on your wireless provider and software version.”
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- Open the Phone app.
- Tap More options (the three vertical dots), then Settings.
- Tap Block numbers.
- Enter the number you want to block and add it. Depending on your device, you may also be able to select a number from Recents, Messages, or Contacts.
Samsung’s instructions are available in its guide to managing call settings.
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Block someone from Recents
Open Recents in the Phone app, find the number, open its details, and choose Block. To review or remove blocked numbers later, return to Phone > More options > Settings > Block numbers. Exact labels can differ by One UI version.
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Block unknown or unspecified callers
In Phone > More options > Settings > Block numbers, look for Block calls from unknown numbers. Turn it on only if the option appears and you want this broader filter.
Blocking unknown callers can also stop wanted calls from numbers you have not saved, such as a doctor’s office, delivery driver, or someone calling from a new number. If you are expecting an important call, consider blocking only specific numbers instead.
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- Please note, this device does not support E-SIM; This 4G model is compatible with all GSM networks worldwide outside of the U.S. In the US, ONLY compatible with T-Mobile and their MVNO's (Metro and Standup). It will NOT work with other CDMA carriers, and it is also not compatible with their MVNO (Visible, Xfinity Mobile, US Mobile, Cricket Wireless, etc).
- Compatibility with certain third-party devices and accessibility accessories, including some hearing aids, may vary depending on manufacturer support, Bluetooth protocols, software compatibility, and regional firmware limitations. For additional hearing aid compatibility information, please refer to Samsung’s official support documentation.
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Use caller ID and spam protection
Some Galaxy phones offer Caller ID and spam protection in Phone settings. Samsung’s Smart Call can identify callers who are not in your contacts and may offer options to block or report a suspected spam call. Samsung notes that Smart Call is not available on every model or carrier; check the settings on your phone rather than assuming the feature is included.
Where supported, you may see a Block spam and scam calls control with options to block all identified spam or scam calls, or only calls marked high-risk. The broader setting may stop more unwanted calls, but filters can also catch calls you want. Read the descriptions shown on your device before selecting an option. See Samsung’s Smart Call instructions and its Smart Call feature information.
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AI Scam detection has a specific requirement
Samsung says AI Scam detection is available only on Galaxy devices running Android 16 with One UI 8.5 or higher. If an eligible phone detects a potential scam, it alerts you so you can choose to block or answer. This is not a general feature of all Galaxy phones. Samsung’s AI Scam detection guide explains the feature.
What blocking and spam labels do—and do not do
A caller ID label such as “spam” or “scam likely” is a warning, not necessarily a block; the call may still ring. A blocked call, by contrast, is filtered by the phone or service. Neither identification nor blocking is perfect, and a filter can stop a legitimate call. The Federal Trade Commission puts it plainly: “Just know that call-blocking services might block some calls you want.”
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- YOUR CONTENT, SUPER SMOOTH: The ultra-clear 6.7" FHD+ Super AMOLED display of Galaxy A17 5G helps bring your content to life, whether you're scrolling through recipes or video chatting with loved ones.¹
- LIVE FAST. CHARGE FASTER: Focus more on the moment and less on your battery percentage with Galaxy A17 5G. Super Fast Charging powers up your battery so you can get back to life sooner.²
- MEMORIES MADE PICTURE PERFECT: Capture every angle in stunning clarity, from wide family photos to close-ups of friends, with the triple-lens camera on Galaxy A17 5G.
- NEED MORE STORAGE? WE HAVE YOU COVERED: With an improved 2TB of expandable storage, Galaxy A17 5G makes it easy to keep cherished photos, videos and important files readily accessible whenever you need them.³
- BUILT TO LAST: With an improved IP54 rating, Galaxy A17 5G is even more durable than before.⁴ It’s built to resist splashes and dust and comes with a stronger yet slimmer Gorilla Glass Victus front and Glass Fiber Reinforced Polymer back.
If an expected call does not arrive, check voicemail and your blocked-call list. You may need to remove the number from the list or adjust the filter. The FTC’s guide to blocking unwanted calls also covers call labels and carrier options.
When Galaxy settings are not enough
Ask your carrier about call filtering
Carriers may offer additional call identification or blocking, with availability and eligibility depending on the carrier and plan. Ask your own provider what its current service does and how to enable it. For example, T-Mobile describes its Scam ID and Scam Block features; those are carrier services, not universal Samsung settings.
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- MAKE IT. EDIT IT. SHARE IT: Turn everyday moments into something personal with creative tools built right into your mobile whether it’s a special contact photo, custom wallpaper, an invitation or more³
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Handle suspected scams safely
Do not rely on caller ID to verify a caller claiming to represent a bank, government agency, or other organization. Hang up and contact the organization using a number from a trusted source, such as its official website or the back of your card.
Quick Recap
- Report unwanted calls to DoNotCall.gov.
- If you lost money to a scam, report it at ReportFraud.ftc.gov.
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