How to Fix “Unknown App Blocked” on Samsung | Enable Install from Unknown Sources 2025

Описание: Are you trying to install an APK file on your Samsung phone and keep getting the error: “Unknown App Blocked”? In this quick and easy 2025 tutorial, I’ll show you exactly how to fix that issue in a few simple steps—so you can install apps from Chrome, Telegram, or any other source without restrictions.

Whether you're downloading apps for testing, gaming, or customization, this guide will walk you through:

How to turn off Samsung’s Auto Blocker

How to enable Install Unknown Apps for Chrome, Telegram, and more

How to successfully install your APK without errors


This method works perfectly on the latest Samsung devices running One UI in 2025.

👉 Watch till the end to make sure you don’t miss a key step!

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