What you need to know The April security patch has begun rolling out for Pixel smartphones. The update brings several bug fixes, including some that were introduced during the December feature drop. Manu Samsung smartphones have already begun receiving the April patch. It's that time of the month again; time for Google to release the April security patch to its Pixel smartphones. As usual, the update addresses vulnerabilities within Android, but Google also includes bug fixes specific to its Pixels. This time around, the update also comes with some welcome improvements that owners of the Google Pixel 4a 5G and Google Pixel 5 are sure to appreciate.