To stop spam texts on a Samsung Galaxy, first check which app you use for texting: Samsung Messages or Google Messages. Open the unwanted conversation and block its sender; in Google Messages, you can also report it as spam and enable Spam protection. U.S. readers can forward unwanted texts to 7726 and report them to the FTC. Blocking and filtering can reduce unwanted messages, but they cannot guarantee that spam will stop permanently.
First, identify your messaging app
Find the app you normally use to send and receive texts. The controls differ between Samsung Messages and Google Messages, so follow the instructions for the app that handles your conversations. Features and labels can vary by Galaxy model, software version, carrier, and market. Samsung’s support instructions and Google’s Messages help describe the respective options.
For U.S. users, Samsung says its Messages app is scheduled for discontinuation starting in July 2026 and recommends switching to Google Messages. That notice applies to the U.S.; it does not establish that Samsung Messages is discontinued everywhere. See Samsung’s U.S. support notice for current guidance.
Block spam texts in Samsung Messages
- Open Samsung Messages and find the unwanted conversation.
- Touch and hold the conversation, then tap More > Block.
- Confirm the block if prompted.
To block a number that is not in an existing conversation, open Samsung Messages and go to More options > Settings > Block numbers and spam > Block numbers. Enter the number there. Use Block numbers and spam to review or edit blocked numbers. The exact controls may differ by model, software version, or carrier.
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Block and report spam in Google Messages
Block a conversation and report it
- In Google Messages, touch and hold the conversation you want to report.
- Tap Block > Report spam > OK.
You can also open the conversation and choose More options > Details > Block & report spam. Google says the sender is blocked and the conversation moves to Spam & blocked. If you want to report the conversation without blocking the contact, Google provides that option as well; see Google’s instructions for reporting spam in Messages.
Turn on automatic Spam protection
- Open Google Messages.
- Tap your profile picture or initials, then Messages settings > Protection & safety > Spam protection.
- Turn on Spam protection if it is not already enabled.
Google describes this feature as using on-device machine-learning models to identify known spam patterns and checking URLs. If a message contains a URL, that URL may be uploaded to Google for safety verification. Filtering is not infallible, so review your messages and block or report unwanted senders when needed. Details are in Google’s Spam protection help.
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What a Google Messages spam report shares
Reporting a conversation is different from blocking it alone. Google says a report sends the sender’s phone number and the last 10 incoming messages to Google. Its Android help page also says a copy of the spammer’s number and most recent text is sent to your mobile carrier, and that Google employees and contractors may review reports to improve spam and abuse protection. If you do not want to submit a report, block the sender without reporting. Google explains the reporting process and data sharing here.
Report unwanted texts in the United States
- Forward to 7726: Forward the unwanted text to 7726 (SPAM), following any instructions in the reply.
- Use your phone’s report option: If your messaging app offers a report-junk or report-spam control, you can use it.
- Report it to the FTC: Submit unwanted texts through the FTC’s ReportFraud.ftc.gov.
These external reporting routes are U.S.-specific. The FTC recommends forwarding unwanted texts to 7726 and reporting them, while the FCC also advises consumers not to respond to suspicious texts and to review device and carrier blocking tools. See the FTC guidance on spam texts and the FCC consumer guidance.
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Keep text blocking separate from call blocking
Samsung Smart Call and Caller ID and spam protection are controls in the Phone app for identifying, blocking, or reporting some spam calls. They are not the text-message blocking steps above. For unwanted calls, see Samsung’s support guidance.
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