First thing what we think about must be in smart phone its not ram or its internal memory but it is its marathon battery life because without battery RAM and ROM are not possible in india nowadays indians seeking about non chinese smart phone. A branded mobile made after many research programme and every research has its cost. Therefore branded mobiles are costly which is obvious so Panasonic is just a under eye product comes with Japanese technology . This is a good smart mobile with 4000 mah battery which is equal to 5000mah of other non branded mobiles. RAM is 2gb which sounds very good and good support mobile for jio volte technology.