The Next Web
The Oppo R819 lets you choose which version of Android you want to use
The Oppo R819 ships with Android 4.2.1 (Jelly Bean) preloaded, with some light customizations from Oppo. Oppo also gives users the ability to easily install its soon-to-be-released new Color ROM, which adds a thicker layer of customizations over Android.
Oppo reveals R819, slim 4.7-inch device with stock Android option
Oppo R819 Launches with 4.7″ 720p Display and Option for Stock Android 4.2.1
OPPO R819 arriving with stock Android and a 4.7-inch 720p display