This is right after one week that this device showed up at Zauba, a website tracking imports and exports of India. The device is speculated to be the successor of Galaxy A5. It has also very recently received Bluetooth certification from the Bluetooth Special Interest Group (SIG).
The reason being it is said the sequel of the Galaxy A5 is the model number which is SM-510F being in line with model number of A5 that is SM-A500.
Up till now it is rumored that SM-510F will pack a 5.2-inch display, in comparison to the 5-inch screen of the A5. And the certification now unveils that the device will support Bluetooth version 4.1.