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Samsung Internet Not Secure Warning — HTTPS Certificate Errors on Samsung Browser

Warningsecurity

Overview

Fix Samsung Internet browser showing 'Not Secure' or certificate warnings when visiting websites that appear secure in other browsers.

Key Details

  • Samsung Internet is the default browser on Samsung Galaxy devices with its own certificate store
  • It may show security warnings that Chrome does not due to different certificate validation behavior
  • Samsung Internet supports its own certificate authorities that may differ from Chrome's
  • The browser has a secret mode (like incognito) with stricter security settings
  • Samsung Internet Ad Blocker and tracking protection can interfere with some secure connections

Common Causes

  • Website SSL certificate not trusted by Samsung Internet's certificate store
  • System date and time incorrect on the Samsung device causing certificate validation failure
  • Samsung Internet is outdated and does not support modern TLS features
  • Ad blocker or privacy extensions interfering with HTTPS connections

Steps

  1. 1Update Samsung Internet from Galaxy Store or Google Play Store to the latest version
  2. 2Check device date and time: Settings > General Management > Date and Time > set Automatic
  3. 3Clear Samsung Internet data: Settings > Apps > Samsung Internet > Storage > Clear data
  4. 4Disable ad blocker temporarily: Samsung Internet > Settings > Extensions > disable ad blockers
  5. 5If site specific: the website may have an SSL configuration issue — test with Chrome to compare

Tags

samsung-internetnot-securecertificatesslgalaxy

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browser-chrome-android-err-connection-refused

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Frequently Asked Questions

Samsung Internet is a capable browser with useful features (ad blocking, dark mode, DeX support). If you prefer Samsung Internet, keep it updated. The security warnings usually indicate a fixable configuration issue, not a fundamental browser problem.