The series includes Galaxy A5, A6 and A7.
Samsung is likely to unveil Samsung Galaxy A5, a member of its upcoming Galaxy A series of smartphones in November.
The series might be priced between $400- $450, reported Sammobile.
Previous reports suggest that the phone will have a 5-inch Super AMOLED display, will be powered by quad-core 1.2GHz Snapdragon 410 processor, and feature 2GB of RAM, and up to 16GB internal storage.
It is expected to feature 13-megaixel rear camera and 5-megapixel front camera, and will run on 4.4.4 KitKat.
Some leaked images showed right panel with power button and dual SIM card slot.
Apart from Galaxy A5, the company is also expected to introduce Galaxy A3, Galaxy A7 featuring aluminum frames and HD display with 5.5-inch screen size, Sammobile reported.
Reports suggest that the Galaxy A7 will be released in limited markets like Asia where demand for big screen devices is high.