Nokia 2 users should now be receiving the latest system update with the January 2018 security patch. A bit late this time, but Nokia 2 users are also covered with the latest available updates. This update comes after the recent release of this Android security update for the Nokia 6, Nokia 3, Nokia 5 and Nokia 8 phones. If you missed out, you can now also keep a track of all the launched Google security patches for your Nokia Android phone.
HMD Global has just started pushing this update, which means it may be a while before you start seeing it on your phones. System update are rolled out in stages in different countries. If you have started receiving this update, let us know below in the comments. To check if this available for your Nokia 2, go to Settings > About phone > System update > Check for update on your phone.
As per Google, this has changed in the January 2018 security patch by Google:
Note: CVE-2017-5715, CVE-2017-5753, and CVE-2017-5754, a set of vulnerabilities related to speculative execution in processors, have been publicly disclosed. Android is unaware of any successful reproduction of these vulnerabilities that would allow unauthorized information disclosure on any ARM-based Android device.
To provide additional protection, the update for CVE-2017-13218 included in this bulletin reduces access to high-precision timers, which helps limits side channel attacks (such as CVE-2017-5715, CVE-2017-5753, and CVE-2017-5754) of all known variants of ARM processors.
For more details, read the official release: Android Security Bulletin—January 2018
This update is about 328MB in size and as per the changelog, it also brings system stability improvements and UI enhancements.