The earlier leaks with the model number SM-A730F, the device was mistaken as Galaxy A7 (2017), successor to the A7 (2016) version. However, the latest leaks on Chinese Website suggest a device with model number SM-A730F/DS and confirm Galaxy A7 (2017) is indeed Galaxy A8 Plus (2018).
Also according to the same source, the long-rumored Galaxy A5 (2017) could be the regular version of Galaxy A8 Plus (2018); Galaxy A8.
Looking at the leaked images, Galaxy A8 Plus (2018) sports dual front camera setup, rumored as 16 MP sensors. Also, the device rocks the trending display design; 18:9 aspect ration. And on the back there is supposedly 16MP camera. Under the hood, there is 2.1 GHz Exynos 7885 Octa Core Processor and 4 GB of RAM.
Galaxy A series has always been premium mid-range offering from the company. So, the device will be available to limited territories; Germany, Poland, and Russia. However, there could be another affordable new Galaxy C series for Asian market.
The device is to come in early 2018.