Hi evweryone, Sony always will be the best for their bist quality of Product I am using Sony mobile since 6 to 7 years which all the models I like you because of their go to features and technologies. The Sony X peria XA1 is powered by octa-core media Tek Helio P20 processor and it come with 3GB Ram. The Sony Xperia XA1 runs Android 7.- and is powered by a 2300Mah non removable battery. The Sony Xperia XA1 is a dual sim(GSM and GSM) smartphone that accepts Nano-SIM. Connectivity options include Wi-Fi, Bluetooth and 4G(with suppoort for Band 40 used by some LTE networks in India)