BlackBerry KEYone owners who are signed up for the beta program starts getting the Oreo OTA update and comes as build number 8.1.0.ABD174. The update weighs around 1.3GB, so ensure enough space on the device and connect your phone to a good WiFi network before downloading the update.
If you have not signed up for the beta program, but want to try the Android Oreo on your BlackBerry KEYone right now, then you can sign up for the beta program on BlackBerry’s newly created Beta community here. Also Read: How to get BlackBerry Privacy Shade App on Any Android Phone BlackBerry KEYone was launched in February 2017 with Android 7.1 Nougat. The phone comes with Qualcomm MSM8953 Snapdragon 625 processor, 64/32GB storage option, 4 GB/3 GB RAM, 4.5 IPS display, 12 MP back and 8MP front cameras, 3500 mAh battery and more. The phone also features QWERTY keyboard, Gorilla Glass 4 protection, Fingerprint reader, accelerometer, gyro, proximity sensor and compass, and available in Black/Silver, Black/Bronze colors. (source)