How to completely clear cookies on Xiaomi phone: browser, applications and system cache

Cookies are small files that websites and apps store on your device to store session, preferences and authorization data. on Xiaomi smartphones (including the Redmi series, POCO and Mi) cookies accumulate not only in browsers but also in system applications, which can slow down the phone or cause crashes over time. For example, if you notice that sites are loaded for a long time, advertising has become too intrusive, or applications fly out for no reason - the problem may lie in clogged cache and outdated cookies.

In this article, we will examine all the ways to clean cookies on Xiaomi phones: from manual deletion in the browser to deep cleaning of the system cache through hidden settings. MIUI (12, 13, 14) and popular models - Redmi Note 12, POCO X5, Xiaomi 13T. You will also learn how to automate the process so that you do not manually clean cookies every month.

What are cookies and why should they be cleaned on Xiaomi?

Cookies (or HTTP cookies) are text files that are created by websites to identify the user.

• 🔑 Logins and passwords (for automatic login)
• 🛒 Data baskets in online stores
• 📊 User preferences (language, theme, settings)
• 🎯 Information for targeted advertising

On Xiaomi phones, cookies are saved in:

• 🌐 Browser (Mi Browser, Google Chrome, Firefox)
• 📱 System applications (Theme, Music, Gallery)
• 🔄 Cash. MIUI (shell-file)
• 📦 Applications with built-in web viewers (for example, Vkontakte, Instagram)

If you do not clean cookies regularly, you may encounter:

• ⚠️ Slowing down browser and applications
• 🔄 Authorization errors (for example, constantly leaving the account)
• 📈 Data breaches (if the phone falls into the wrong hands)
• 🎯 Intrusive advertising based on your behavior

⚠️ Attention: Clearing cookies will result in the withdrawal of all accounts on the sites and in some applications!

How to clear cookies in the browser on Xiaomi (Mi Browser, Chrome, Firefox)

Most cookies are stored in browsers, and consider the cleaning process for the three most popular browsers on Xiaomi.

1. Clearing cookies in Mi Browser (standard Xiaomi browser)

The standard Mi Browser browser is preinstalled on all Xiaomi phones, to clear cookies:

1. Open Mi Browser.
2. Slip on three dots in the lower right corner → Settings.
3. Go to Privacy and Security → Clear the data.
4. Check the boxes: 🍪 Cookies and website data 🗑️ Cache images and files

Clear the data

If you want to clear cookies only for certain sites:

1. In Mi Browser, go to Settings → Confidentiality → Management of site data.
2. Find the right site in the list and tap on it.
3. Press Clean and Reset.

2. Clearing cookies in Google Chrome

Google Chrome is the most popular browser on Android. To delete cookies:

1. Open Chrome and tap three dots in the upper right corner.
2. Choose a History. → Clear the data.
3. Set a period for all time.
4. Mark it: 🍪 Cookies and website data 🗑️ Cache images and files

Clear the data

For selective cleaning:

1. Go to Settings. → Confidentiality → Site settings → Cookies.
2. Slip to the desired site and select Delete.

3. Clearing cookies in Firefox

Mozilla Firefox offers more flexible privacy settings:

1. Open Firefox and tap on three points. → Settings.
2. Go to Deletion of Personal Data.
3. Mark it: 🍪 Cookies 🗑️ Cash.

Clear the data

Firefox also allows you to set up automatic cookie cleanup when you close:

1. In the settings, select Privacy → Deletion of personal data at exit.
2. Activate the option and select cookies.

Delete cookies|Clear the image cache|Reset autocomplete data|Delete the history of visits-->

How to delete cookies in Xiaomi system applications

Many of Xiaomi’s standard apps (e.g. Theme, Music, Gallery) also store cookies and cache. 1-3 GB of memory on the device.

Instructions for MIUI 12/13/14:

1. Go to Settings → Applications → Application Management.
2. Select a system application (such as a theme).
3. Slip it on the Warehouse.
4. Click Clear Cache and Clear Data (Warning: This Will Reset the App Settings!).

List of Xiaomi system applications where cookies are most often accumulated:

• 🎨 Theme (stores data on downloaded themes and wallpapers)
• 🎵 Music (cache of album covers and playlists)
• 📷 Gallery (miniatures and metadata photos)
• 📡 Security (Scanning Logs and Optimization Data)
• 🛒 Mi Store (data about the products viewed)

⚠️ Warning: Clearing data in the Security app can reset screen lock settings if they are synced with your Mi Account!

For deep cleaning, you can use the built-in optimization tool:

1. Open the Security app.
2. Put it on the optimisation. → Deep cleaning.
3. Select Residual Files and Cash Applications.
4. Press Clear.

💡

If the application is unstable after cleaning the cookies, restart the phone. This will help you to recreate temporary files from scratch.

Deep Cleaning: How to delete all cookies through settings MIUI

If you want to delete all cookies and cache on your Xiaomi phone at a time, including system files, use the Factory Reset feature (without deleting data). MIUI 12 and newer.

Instructions:

1. Go to Settings → About the phone → Reset settings.
2. Select Reset Network, Apps, and Cache (does not delete photos and files!).
3. Confirm the action and wait for the reboot.

This method removes:

• 🍪 All cookies and session data
• 🗑️ Application cache and systems
• 🔄 Wi-Fi, Bluetooth and mobile network settings (only passwords will be saved)
• 📱 Temporary files MIUI

If you only need to clear the system cache without resetting, use Restore mode:

1. Turn off the phone.
2. Press the Power button + Volume up until the Mi logo appears.
3. From the Recovery menu, select Wipe & Reset → Wipe Cache.
4. Confirm and restart the phone.

⚠️ Warning: Don't confuse Wipe Cache with Wipe Data! second option will completely reset the phone to factory settings.

Automatic Cookie Clearing: Optimization settings for Xiaomi

In order not to manually clean cookies, set up automatic optimization in the MIUI:

1. Open the Security app.

2. Go to Optimization → Auto-cleaning.

3. Activate the option and set up a schedule (e.g., Every Week).

4.In the section What to clean, note:

• 🗑️ Cash app.
• 🧹 Residual files
• 📁 Download folder (optional)

You can also include smart cleaning:

1. In Security go to Settings → Smart cleaning.
2. Activate the option to Clear the cache when you lock the screen.

For browsers, set up automatic cleaning:

• 🌐 Mi Browser: Settings → Confidentiality → Clear history when you leave.
• 🔍 Google Chrome: Settings → Confidentiality → Clear cookies and site data when you exit.

💡

Automatic cleaning of cache in MIUI It works only for system files. For browsers, set up cleaning separately!

What to do if after cleaning cookies sites do not work

Sometimes, after deleting cookies, some sites may:

• 🚫 Do not allow to account (requires re-entering of password)
• ⚙️ Reset settings (such as language or topic)
• 🔄 Load with errors (for example, the shopping cart in the online store is empty)

Decisions:

1. Restore cookies from backup (if any) in Mi Browser or Chrome you can export/import bookmarks and data via Settings → Imports/Exports.
2. Use a password manager (such as Google Password Manager or Bitwarden) to keep your account access secure.
3. Clear cookies selectively. In Chrome or Firefox, you can delete cookies only for a problematic site (see instructions above).
4. Reset your browser settings. In your browser settings, find the option to Reset (return standard settings without removing bookmarks).

If the site is still not working:

• 🔄 Try to open it in incognito mode (cookies are not saved).
• 🛠️ Clean it up. DNS-Cache: Go to Settings → SIM cards and mobile networks → Access point (APN). Tap on three points. → Reset the settings.

MIUI

Security

firewall

How to protect privacy: alternatives to clearing cookies

If you’re concerned about privacy rather than productivity, consider alternative methods:

1. Use browsers with tracking protection:

• 🛡️ Brave Browser – Blocks Ads and Trackers by Default.
• 🦊 Firefox Focus – automatically deletes cookies after closing.
• 🌐 DuckDuckGo – does not save history and cookies.