As it turns out, Samsung is working on a smaller version of Samsung J1, which so far appears under the work name the SM-J105F/DS.
Unofficial information reported that a new version of the Mini will have a smaller for 0.3-inch display than the base version, which is a 4-inch screen with a resolution of 480×800 pixels.
The heart of the device is quad-core processor, Spreadtrum SC8830 clocked at 1.5 GHz, the system will be supported by 768 MB or 1 GB of RAM memory.
J1 mini Samsung model will be equipped with a function to handle two SIM cards and will operate under the control of Android 5.1.1 Lollipop.