HMD updated the Nokia Smartphone Security Maintenance Release Summary page since the January security patch was released for Nokia 8 Sirocco. The China exclusive, Nokia 7, also received an update that brings all-around improvements for the Android 9 Pie. Let’s first deal with 8 Sirocco. The update is 82.6 MB large and just brings the security patch from Google, nothing else is included in it. Only the 00WW_4_120_SP01 software build received the security patch according to the Release Summary page.
Nokia 7, which is exclusive for China, also started receiving the security update which is backed up by various improvements to the Android 9 Pie. The update is 226 MB large so if you do not have a good data plan, use WiFi network instead to update it.
If you have your beloved Nokia 8 Sirocco or Nokia 7 close to you, do check if the update is available, or enjoy pressing the Check for update button.