System Requirements

Before installing the app, make sure your device meets the requirements and recommendations listed below:

Parameter	Requirements
Operating system	Android version 4.4–15 Android TV (on TV sets, media players, and game consoles)
CPU	x86/x86-64/ARMv7/ARMv8/ARMv9
Free RAM	At least 512 MB
Free space on device	At least 45 MB (for data storage)
Screen resolution	At least 800×480
Other	Internet connection (for virus database updates). On devices running Android TV, the centralized protection mode is not available

•For compatibility with apps that lock other apps, the app lockers are required not to restrict Dr.Web from launching.

•Call and SMS filter and Dr.Web Anti-Theft do not operate on devices that have no SIM card slot. Make sure your device supports SIM cards.

•URL filter operates in an Android embedded browser, Google Chrome, Yandex.Browser, Microsoft Edge, Firefox, Firefox Focus, Opera, Adblock Browser, Dolphin Browser, Sputnik, Boat Browser, and Atom.

•URL filter requires access to your browser history on devices with Android 5.1 or earlier. Make sure to enable this option in your browser.

Please note that correct operation of Dr.Web is not guaranteed on the devices with custom ROMs and on rooted devices. Technical support is also not provided for such devices.

By default, the application is installed to the internal device memory. For correct operation of Dr.Web, do not transfer the installed application to a removable media.

To ensure a correct operation of Dr.Web, open the following ports:

Purpose	Direction	Port numbers
To activate and renew the license	outgoing	443
To receive updates	outgoing	80
To connect to the centralized protection server	incoming, outgoing	2193 (including UDP)
To connect to Dr.Web Cloud (for URL filter operation)	outgoing	2075 (including UDP), 3010 (TCP), 3020 (TCP), 3030 (TCP), 3040 (TCP)
To connect to Google Mobile Services (for sending and receiving push-notifications)	outgoing	443 (TCP), 5228 (TCP), 5229 (TCP), 5230 (TCP)