Essential PH-1 smartphone updated directly to Android /Oreo 8.1 directly couple of week’s back, Today Essential PH-1 smartphone started to receive a new update. It has been confirmed in Essential Official twitter account.
The update brings Latest Android April security patch, Bluetooth 5.0 certification, modem stability fixes, improved performance and bug fixes, proper handling of external game controller support.
Head to settings-> Software update , to check update manually. If not found wait for couple of days to find out.