Oppo Chinese handset maker is ready to launch their next flagship smartphone Oppo R1S (successor of Oppo R1) with 4G network support. Oppo officially announced the April 25 as launch date of R1S LTE variant through an event. First, Oppo will launch this device to China, and then it will roll out globally. Oppo R1S LTE will release with global LTE network frequencies support. The device may come with 1.6 GHz quad core processor, Qualcomm Snapdragon 400 chipset and 2GB RAM. As per rumor, it has 5 inch HD display, 16 GB of inbuilt storage and microSD card slot. Unlike Oppo R1, it has 13 Megapixel back camera with Full HD video recording and playback support. Oppo will unveil the exact specifications of R1 LTE at launch event. Previously, they released Oppo Find 7 and Find 7a with Quad HD (2560 x 1440) and Full HD (1080 x 1920) display variants.