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If your Samsung Galaxy is rejecting calls, first check whether the caller is on the Samsung Phone app’s blocked list. Open Phone > More options (three dots) > Settings > Block numbers, then remove the affected number using the control shown on your phone. Menu names and availability vary by model and software version, so use the alternate labels below if you do not see that path.
Remove the caller from Samsung Phone’s blocked list
- Open the Phone app.
- Tap More options (the three-dot menu), then Settings > Block numbers.
- Find the number that cannot reach you and remove it. Depending on the device, Samsung shows a minus button, a checkbox, or a delete/bin control.
Samsung’s US support guide documents this route on a Galaxy Z Flip7, and Samsung UK describes the same general route. Samsung notes that the feature is not available on all models. If the labels differ, search Phone settings for Block numbers, Blocked numbers, Call rejection, or Auto reject; these are navigation hints, not guaranteed labels for every Galaxy.
Samsung US: Adjust call settings on your Galaxy phone · Samsung UK: How do I use the call functions on my device?
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If only private or unknown callers are rejected
Blocking one saved number is different from blocking callers whose number is hidden or unknown. In the same Block numbers area, look for a switch to block unknown or private numbers. Turn it off if you want those calls to ring. Legitimate callers sometimes hide caller ID, but disabling the filter can also allow unwanted calls through. Samsung says this option is not available on every model.
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Samsung UK explains: “You won’t be able to receive calls from people if they’re on your auto-reject list, or your phone has been set to reject unknown numbers and they have hidden their number.”
Check spam and scam filtering separately
Spam protection is a separate filter from the manually blocked-number list. On supported phones, open Phone > More options > Settings > Caller ID and spam protection, then review Block spam and scam calls. Samsung’s US guidance describes choices to block all identified spam or scam calls, or only high-risk scams. Labels and choices can vary by model or region.
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Use the narrower high-risk option if you want to reduce nuisance calls while being less aggressive about calls classified as spam. If an expected caller is being blocked, review the setting rather than assuming the manual blocked list is responsible. Samsung’s UK call-functions guidance also describes spam-filtering controls.
Look for another call-blocking app
A third-party dialer or caller-ID app can keep its own blocked-number list, independent of Samsung Phone. If you use one, open that app’s settings and check its block or call-filter list. Samsung Korea identifies third-party phone apps as a possible source of call rejection.
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If no blocking setting explains the missed calls
When the relevant lists and filters are clear, the problem may be outside the phone’s reject settings. Samsung Korea lists weak or unstable signal and SIM malfunction among possible causes, and recommends checking whether carrier supplementary call-blocking services are enabled if a number remains unreachable.
- Check whether the phone has a stable mobile signal and whether the issue persists in another location.
- If the SIM appears to be the problem, contact your carrier for help checking the SIM and service.
- Ask your carrier whether a supplementary blocking service is active on your line. Carrier service names and contact procedures differ by country; Samsung Korea’s examples are specific to Korea.
Samsung Korea’s troubleshooting guidance is dated 2022-05-26 and covers Android 9 through Android 14; it should not be treated as a universal menu guide for every current Galaxy build. For newer setting variations, Samsung Korea’s call settings guide, dated 2025-01-01, also notes that controls can differ. A European Galaxy S23 manual describes blocked-list behavior in its own model context: Galaxy S23 Series User Manual.
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Choose the right filter for the callers you want to stop
| Setting | Callers affected | Trade-off |
|---|---|---|
| Manually blocked number | A specific number you have blocked | Targets that caller; check the list if one person cannot get through. |
| Unknown/private-number blocking | Callers whose numbers are hidden or unknown | Can stop unwanted anonymous calls, but may reject legitimate callers who withhold caller ID. |
| Spam and scam filtering | Numbers identified by the phone’s spam or scam protection | Depending on the available choice, blocks all identified spam/scam calls or only high-risk scams. |
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