Google kicked off 2020 with the first Android security update of the year. After failing to deliver the last update of 2019 to some Pixel 3 and Pixel 3 XL owners, they finally managed to fix the delay. The January 2020 security patch includes fixes for a lot of security vulnerabilities and exploits. It’s worth noting that most of them are categorized as high severity vulnerabilities, so fixing them should drastically improve the security of the devices.
If you’re one of those users who didn’t receive the December 2019 Android security patch until now, you will receive a cumulative update of these two months. As for me, I received the last update on time, so this one was only 12.7MB in size. The newest security patch is available on all supported Pixel devices, which means that OG Pixel and Pixel XL users are left out of luck. Apart from the various security improvements, the January 2020 security patch also includes numerous functional updates. Google fixed some noticeable bugs on the Pixel 2, Pixel 2 XL, Pixel 3, Pixel 3 XL, Pixel 3a, Pixel 3a XL, Pixel 4 and Pixel 4 XL devices. One of those annoyances was the notification ghosting issue, which I can confirm is now fixed on the Pixel 3.
If you’re already running the latest December Android security patch, this should be a pretty small update for you. Though, you may receive a joint December/January security update, which is larger in size. To no one’s surprise, Essential was quick to follow up with an update, also including audio improvements in the package.
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Source: Google