---
metadata:
  - name: generator
    content: Diplodoc Platform v5.55.0
alternate:
  - https://yandex.com/support/browser-mobile-iphone/en/privacy/data-collection.md
  - https://yandex.com/support/browser-mobile-iphone/kk/privacy/data-collection.md
  - https://yandex.com/support/browser-mobile-iphone/ru/privacy/data-collection.md
  - https://yandex.com/support/browser-mobile-iphone/tr/privacy/data-collection.md
  - https://yandex.com/support/browser-mobile-iphone/uz/privacy/data-collection.md
  - href: en/privacy/data-collection.md
    type: text/markdown
    title: Markdown version
  - href: ../llms.txt
    type: text/markdown
    title: llms.txt
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.com/support/browser-mobile-iphone/en/llms.txt


# How Yandex Browser uses data from users


{% note info %}

To secure your data and keep your search queries and site visits private, follow these [general recommendations for protecting your personal information](https://yandex.com/support/common/security/privacy-protect.html).

{% endnote %}


All data collected by Yandex Browser for Mobile is processed by Yandex under the terms of the [Privacy policy](https://yandex.ru/legal/confidential/) and the [License agreement](https://yandex.ru/legal/browser_agreement/).

In this article you will learn:

- Which data Yandex Browser collects.
- Why Yandex needs this data.
- How to disable sending data to a server.

## Which data Yandex Browser collects and why{#what-data}

Yandex Browser sends data to the server to:

- Perform technical tasks, such as increasing the data transfer speed or virus protection.
- Collect statistics on Yandex Browser usage.
- Solve user problems.

[Data required for certain features to work](#features)
[Statistics and crash reports](#statistics)

### Data required for certain features to work{#features}


#### [Tableau](https://yandex.com/support/browser-mobile-iphone/en/personal-settings/tableau.md)
 
:   #|
    ||**Type of data** | **Reason(s) for sending** | **How to disable sending data**||
    ||Site addresses added to Tableau | Tableau creates its representation of a site based on both the site's favicon and its main color. | Manually delete sites from Tableau and the site addresses will be deleted.||
    ||Location | The tiles that appear when you open the Tableau for the first time depend on your location. | Data is sent once when you first launch Yandex Browser. It isn't possible to use Yandex Browser without this data. If you don't want to send this data, don't use this browser.||
    ||Your smartphone’s technical specifications (model, OS, screen size) | To adapt Tableau to different device models for convenience of use. | It isn't possible to use Yandex Browser without this data. If you don't want to send this data, don't use this browser.||
    |#



#### [Search](https://yandex.com/support/browser-mobile-iphone/en/personal-settings/search-engine.md)
 
:   #|
    ||**Type of data** | **Reason(s) for sending** | **How to disable sending data**||
    ||[Unique user identifier](https://ru.wikipedia.org/wiki/Идентификатор_пользователя) | To take your preferences into account when performing a search. | It isn't possible to use Yandex Browser without this data. To avoid sending the data, change the [default search engine](https://yandex.com/support/browser-mobile-iphone/en/personal-settings/search-engine.md). Yandex won't receive your data, but another search engine may still collect it.||
    ||Interface language of the smartphone | Select answers to the search query in this language. | ^ ||
    ||Other data used when searching | Improve search quality. | ^ ||
    |#




#### [Translation](https://yandex.com/support/browser-mobile-iphone/en/navigation/translation.md)
 
:   #|
    ||**Type of data** | **Reason(s) for sending** | **How to disable sending data**||
    ||Address of open page | To determine the language. | This feature cannot function without this data. If you don't want to send this data, don't use translation.||
    ||Text of open page | Translate the page into another language. | This feature cannot function without this data. If you don't want to send this data, don't use translation.||
    |#


#### [Ad filtering](https://yandex.com/support/browser-mobile-iphone/en/security/ad-protection.md)
 
:   #|
    ||**Type of data** | **Reason(s) for sending** | **How to disable sending data**||
    ||
    Addresses of pages that you have [reported](https://yandex.com/support/browser-mobile-iphone/en/security/ad-protection.md). 
    | 
    To improve ad-blocking algorithms. 
    | 
    To disable ad filtering:
        
    
    
    1. <!-- source: en/_includes/reusables/phrases/id-phrases/open-sett-5-phone.md -->
       On the bottom panel, tap ![](../_assets/3poloski-menu.png =22x) → ![](../_assets/shestern.png =22x).
       <!-- endsource: en/_includes/reusables/phrases/id-phrases/open-sett-5-phone.md -->
    
    1. Under **Content blocking**, tap **Ad blocking**.

    1. Disable the **Offensive ad blocker** and **Intrusive ad blocking** options.
    ||
    |#
	

#### [Internet security](https://yandex.com/support/browser-mobile-iphone/en/security/protection.md)
 
:   #|
    ||**Type of data** | **Reason(s) for sending** | **How to disable sending data**||
    ||Prefix of the address [hash](https://ru.wikipedia.org/wiki/Хеш-функция) of an open page | To [block pages](https://yandex.com/support/browser-mobile-iphone/en/security/virus-protection.md) that contain malware. | It isn't possible to use Yandex Browser without this data. If you don't want to send this data, don't use this browser.||
    ||Information about downloaded file | To [check](https://yandex.com/support/browser-mobile-iphone/en/security/file-checking.md) if a file contains malware. | It isn't possible to use Yandex Browser without this data. If you don't want to send this data, don't use this browser.||
    |#
	

#### [Syncing](https://yandex.com/support/browser-mobile-iphone/en/devices/sync.md)
 
:   #|
    ||**Type of data** | **Reason(s) for sending** | **How to disable sending data**||
    || [Authorization data for logging in to Yandex](https://yandex.ru/support/passport/auth.html) (email address) | To sync data between your devices and restore data if your smartphone breaks or is lost. 
    | To disable syncing:
        
        
    
    1. <!-- source: en/_includes/reusables/phrases/id-phrases/open-sett-5-phone.md -->
       On the bottom panel, tap ![](../_assets/3poloski-menu.png =22x) → ![](../_assets/shestern.png =22x).
       <!-- endsource: en/_includes/reusables/phrases/id-phrases/open-sett-5-phone.md -->
    
    1. <!-- source: en/_includes/reusables/instrukcii/id-instrukcii/sync-5.md -->
       Select **Syncing**.
       <!-- endsource: en/_includes/reusables/instrukcii/id-instrukcii/sync-5.md -->
        
    
    1. <!-- source: en/_includes/reusables/instrukcii/id-instrukcii/sync-7-ios.md -->
       Tap **Disable syncing**.
       <!-- endsource: en/_includes/reusables/instrukcii/id-instrukcii/sync-7-ios.md -->
    
    You can also be [selective](../devices/sync.md) in what data you choose to sync. ||
    || [Tableau](../personal-settings/tableau.md) | ^  | ^ ||
    || [Bookmarks](../navigation/bookmark.md) | ^  | ^ ||
    || Encrypted [passwords](../security/passwords-sync.md) | ^  | ^ ||
    || [Autofill](../privacy/autofill.md) data | ^  | ^ ||
    || Open [tabs](../navigation/tabs.md) | ^  | ^ ||
    |#
	


### Statistics and crash reports{#statistics}

In addition to information necessary for certain Yandex Browser functions, crash reports and anonymized usage statistics are also sent to the server.

#|
||**Type of data** | **Reason(s) for sending** | **How to disable sending data**||
||
In addition to [reporting feedback](https://yandex.com/support/browser-mobile-iphone/en/feedback/feedback.md) to the browser's support service, other information sent is:

1. Your device's technical specifications (model, platform, operating system version, and Yandex Browser version).
1. [Unique user identifier](https://ru.wikipedia.org/wiki/Идентификатор_пользователя).
1. Device region and language. 
| 
To localize and solve the problem. 
| 
It's impossible to contact support without this data. If you don't want to send this data, don't contact support.
||

||
Along with your review (![](../_assets/settings-iphone-icon.png)&nbsp;→ ![](../_assets/chat-global-settings-icon.png)&nbsp;→ **Write a review**), Yandex Browser support staff receives the following:

1. [Unique user identifier](https://ru.wikipedia.org/wiki/Идентификатор_пользователя).
1. Your device's technical specifications (model, platform, operating system version, and Yandex Browser version).
1. Device region and language. | To localize and solve the problem. | Data is added to the body of the e-mail; you can delete it manually. It is better not to, however, because this data will help us locate the problem faster.
||

||
Crash reports are sent to the server if the Browser or individual components close unexpectedly. | Identify errors and debug Yandex Browser. | It isn't possible to use Yandex Browser without this data. If you don't want to send this data, don't use this browser.
||
||
Statistical data (periodic):

1. Your device's technical specifications (model, platform, operating system version, and Yandex Browser version)
1. Device region and language
1. Navigation statistics
1. Browse history
1. User queries
1. Opened video and audio files
1. Changes to Yandex Browser settings
1. Browser [processes](https://ru.wikipedia.org/wiki/Процесс_(информатика)) that are running
1. [Cookie](https://yandex.com/support/browser-mobile-iphone/en/privacy/cookies.md) files (for example, cookies that determine your location)
1. Other statistical data (such as user actions and [HTTP referrer](https://ru.wikipedia.org/wiki/HTTP_referer))
 | To count the total number of Yandex Browser users and collect other statistics. 
| 

{% note alert %}

The data is anonymized. The Yandex Browser team uses them to analyze aggregated statistics. This doesn't threaten the security of your personal data.

{% endnote %}




1. <!-- source: en/_includes/reusables/phrases/id-phrases/open-sett-5-phone.md -->
   On the bottom panel, tap ![](../_assets/3poloski-menu.png =22x) → ![](../_assets/shestern.png =22x).
   <!-- endsource: en/_includes/reusables/phrases/id-phrases/open-sett-5-phone.md -->


1. In the **More settings** section, disable the option **Help improve Browser**.
||
|#


### Learn more

- [Manage personal data](https://yandex.com/support/browser-mobile-iphone/en/privacy/personal-data.md)


<!-- {% include [form](../_includes/reusables/forms-and-buttons/id-form/form.md) %} -->

<!-- source: en/_includes/black-button-feedback.md -->
<a href="en/feedback/feedback">
    <span class="button">Contact support</span>
</a>




<!-- endsource: en/_includes/black-button-feedback.md -->

