answers: January 2015
context: colors. Oppo R15 Pro ships with Android 8.1 Oreo. Oppo R15 Pro The OPPO R15 Pro is a phablet smartphone based on Android 8.1, which was unveiled in March 2018. The Oppo R15 Pro has a 6.28-inch AMOLED capacitive display, Octa-core (4x2.2 GHz Kryo 260 & 4x1.8 GHz Kryo 260) Qualcomm Snapdragon 660 processor, 6 GB of RAM and 128 GB of internal storage that can be expanded using microSD cards up to 256 GB. The phone has a 3430 mAh Li-Ion battery, 16 MP rear camera with LED flash and 20 MP front-facing camera with auto-focus. It is available </s> model was updated with Intel Broadwell processors, Iris 6100 graphics, faster flash storage, increased battery life, and a Force Touch trackpad. On May 19, 2015, the 15-inch model was also updated with similarly fast flash storage, increased battery life, the Force Touch trackpad, and an AMD Radeon R9 discrete graphics card on the higher-end model. The higher-end 15-inch model also added support for dual-cable output to 5120×2880 displays. The 15-inch models were released with the same Intel Haswell processors and Iris Pro graphics as the 2014 models due to a delay in shipment of newer Broadwell quad-core processors. Apple continued </s> laptops running the Microsoft Windows operating system. That complaint dissipated later in reviews of machines from Acer and Samsung that were priced lower. In February 2013, Google announced and began shipping the Chromebook Pixel, a higher-spec machine with a high-end price tag. In January 2015, Acer announced the first big screen Chromebook, the Acer Chromebook 15 with an FHD 15.6-inch display. Besides laptops, other devices run Chrome OS, as well. A desktop version, called a Chromebox, was introduced in May 2012. The Chromebase, an "all-in-one" device, was introduced in January 2014 by LG Electronics. In March 2018, Acer and Google
question: when did the acer chromebook 15 come out