OPPO R7s Plus and the A33m were spotted on the TENAA website website earlier today. While the model name of the R7s Plus gives away a bit about the nature of the phone, the A33m is a device you probably have no clue about.
OPPO R7s Plus feature a a 6-inch AMOLED 1920 x 1080p FHD display,powered by an octa-core 1.5GHz processor (most likely the Snapdragon 615), 3GB of RAM, 32GB on-board storage, Android 5.1.1-based ColorOS ROM, a 13 mega-pixel rear camera and an 8 mega-pixel front facing camera.
Moving on to the more entry-level OPPO A33m, the phone will have a 5-inch 960 x 540p screen with a 1.2GHz quad-core processor with 1GB RAM and 16GB on-board storage. 8 mega-pixel and a 5 mega-pixel cameras grace the rear and front of the A33m, which appears to have only a golden color option.