December 2019 Android security patch is here (Update: Factory images available)
Affiliate links on Android Authority may earn us a commission.Learn more. December 2019 Android security patch is here (Update: Factory images available) August 07, 2025 Update: July 01, 2025 at 4:56 p.m. ET:Pixel 4 userson Redditare claiming that the December 2019 Android security patch is now rolling out to their devices. If you have a Pixel 4, the update should make its way to your device soon. If you don’t want to wait for the OTA, the factory images and OTA files are available for download now, but flash or sideload them at your own risk....