The official Security+OS update tracker page for Nokia smartphones has been again updated on April 28, 2020, by Nokia Mobile (HMD) with details about the availability or unavailability of the April Security update 2020 for all Nokia smartphones. As you may be already aware the page lists Build number and details like whether it is just a security patch or firmware update + security patch for a particular device.
As per the latest updated information provided on the page, the April Security update is shown to be available for most of the Nokia smartphones. Though few exceptions like Nokia 2.3, 3.1 Plus, and others remain. You can click here for our detailed coverage of all software update news related to Nokia smartphones.
In case the security update is not yet available for your Nokia smartphone, you should check the build number of your smartphone and confirm it with the information provided on the page. If the build number for a particular device is mentioned in the list then only it gets the update.
Nokia 3, 5, 6, and 8 have also started receiving the April Security update as the latest quarterly security update for these three was the January one. HMD earlier announced the extension of Android security updates support for its very first batch of smartphones Nokia 3, 5, 6, and 8. But the security update roll-out switched to quarterly until 2020 for these smartphones.