How to enable JavaScript in the browser of the Xiaomi Redmi phone: instructions for all models

Do you have trouble opening websites on a Xiaomi Redmi smartphone? Pages don't display correctly, buttons don't work, and content doesn't load fully? 90% of the time, it's because JavaScript, the programming language that controls web page interactivity, is disabled. Without it, many modern websites simply stop functioning.

In this article you will find unique instructions for all versions. MIUI, Including the features of the standard Mi Browser and Google Chrome browser, we will examine not only how to turn JavaScript on, but also why it can spontaneously turn off, how to check its operation and what to do if the settings are not saved. 10/11/12, Redmi 9/10 and flagships of the K series, where specific bugs with web settings are often found.

Why JavaScript is disabled on Xiaomi Redmi and what it means for the user

On Xiaomi smartphones with MIUI shell, JavaScript can be deactivated for several reasons:

• 🔄 Reset browser settings - after updating or manually cleaning the cache, the parameters return to factory, where JS often off by default.
• 🛡️ Power saving mode - in Redmi models with MIUI 12+ Aggressive optimization can block background processes, including script execution.
• 📱 Parental controls – if your device has child restrictions set up, JavaScript can be disabled as an “unsafe” element.
• 🔧 Manual shutdown – the user could accidentally change the settings, trying to speed up the browser or save traffic.

The consequences of deactivating JavaScript range from minor inconveniences to complete site failure:

⚠️ Note: Some Redmi models (e.g. Redmi) 9A s MIUI 11) after activation of JavaScript, it may be necessary to restart the browser, otherwise the changes will not apply.

How to enable JavaScript in the standard Mi Browser browser

The standard browser on Xiaomi Redmi (Mi Browser app) has hidden settings that are different from Google Chrome.

1. Open the Mi Browser (Blue Globe icon).
2. Slip on three dots in the lower right corner → select Settings.
3. Scroll down and find the Additional section (on MIUI 13+ it may be called Advanced Settings).
4. Select Site Settings → JavaScript.
5. Activate the switch in the position On (should turn blue).

If JavaScript is not on the menu, your version of the browser is outdated. Update it through Google Play or use an alternative method:

Download the latest version of Mi Browser from the official Xiaomi website|Clear the browser cache in the phone settings|Try to turn on JS developer-mode|Use Google Chrome instead of Mi Browser-->

On the Redmi Note 10 Pro and the newer MIUI 14, the path to settings may be different:

Mi Browser → Profile (human icon) → Settings → Privacy → Site Settings → JavaScript

⚠️ Note: After enabling JavaScript in Mi Browser, some users note an increase in battery consumption. 5-7%. This is because the browser is starting to use the processor more to process scripts.If autonomy is critical, consider using Chrome with optimized settings.

Activation of JavaScript in Google Chrome on Xiaomi Redmi

Google Chrome is a more versatile browser, but there can be problems with JavaScript, especially on Xiaomi with custom firmware.

1. Open Google Chrome (the icon with a multi-colored circle).
2. Enter chrome://settings/content and press Enter.
3. Scroll to the JavaScript section (on Chrome 110+ it can be hidden under Site Settings → Additional permissions).
4. Activate the option to Allow Sites to Use JavaScript.
5. Restart the browser by closing all tabs.

Redmi with MIUI 12.5 Enhanced and later can trigger MIUI Optimization protection, which resets Chrome settings.

If, after enabling JavaScript, sites still don’t work, check for domain-specific exceptions:

chrome://settings/content/siteDetails?site=[address site]


For example: chrome://settings/content/siteDetails?site=https://vk.com

Check JavaScript after enabling

To make sure JavaScript is actually activated, use one of these methods:

• 🌐 Online tests: Open whatismybrowser.com or enable-javascript.com/ru — They'll show status. JS.
• 📝 Manual check: Enter in the address bar data:text/html,<script>alert('JS work!')</script> — There should be a pop-up.
• 🔍 Developer Console: Open in Chrome chrome://inspect, Select your page and check the Console tab for errors.

On Redmi with MIUI 13/14, a false test response can be triggered due to the built-in ad blocker to get an accurate result:

1. Turn off Ad Blocking in the browser settings.
2. Add the test site to the White List (if you have one).
3. Repeat the check.

💡

If the test shows that JavaScript is disabled but it is enabled in the settings, try clearing your browser data through your phone Settings → Apps → [Your browser] → Storage → Clear the data. This often helps with cache conflicts.

Frequent problems and their solutions

Even after enabling JavaScript, Xiaomi Redmi users may encounter errors, and consider typical scenarios and ways to fix them:

For the Redmi K50 and Redmi Note 12 Pro+ models with MIUI 14, a problem with dynamic RAM optimization is relevant, which can pause script execution.

Settings → Special features → System Acceleration → Disable “Memory Optimization”

⚠️ Note: Some firmware for Xiaomi (especially custom ones) may require manual editing of the build.prop file for full JavaScript operation.This is a risky procedure that can lead to a system failure.Be sure to back up through the backup before such manipulations. MIUI Backup.

Alternative ways to include JavaScript

If the standard methods didn’t work, try these non-obvious solutions:

• 🔧 Through Developer Mode: Activate Developer Mode (7 once you tap the version MIUI in the phone settings. Go to Settings. → Additionally. → For developers, find the debugging option. USB Connect your phone to your PC and execute the command: adb shell settings put global. javascript_enabled 1

Resetting network settings:

→ SIM-maps and mobile networks → Network reset

Reinstallation of the browser:

Google Play

Mi Browser

Xiaomi

For users of Redmi root-rights available radical method - editing system files:

💡

If you are not sure of your technical skills, it is best to avoid root access or ADB methods. Wrong actions can lead to the inoperability of the browser or even the entire system.

Security: Risks of enabled JavaScript on Android

Although JavaScript is essential for normal website operation, activation comes with certain risks:

• 🕵️ Tracking: Scripts can collect data about your behavior on websites (such as Facebook Pixel or Google Analytics).
• 💣 Vulnerabilities: Outdated browsers on Redmi MIUI 11 and below may be subject to attacks through JS (For example, Spectre or Meltdown).
• 📊 Advertising: Many ad networks use JavaScript to display intrusive banners.
• 🔋 Battery consumption: Constant script processing increases the load on the processor.

Redmi models with MIUI 14 have a useful feature called "Tracking Protection" that blocks malicious scripts without completely disabling JavaScript.

Settings → Privacy → Protection from Tracking → Enable

FAQ: Frequent questions about JavaScript on Xiaomi Redmi