Hey guys i currently own bb bold 4,i just bought it to experience blackberry.now i have had enough of it.now i want to buy a new phone.i am thinking of iphone 4s.i will use the phone mainly for watsappin (10-20)msgs a day,calling,web surfing,playing few games,listening to music,watching vdos on mobile and on youtube.will iphone serve my purposes.i am getting 4s for 33k in thailand n 43k in india.so should i buy it from thailand but there will be no warranty.does iphone support gmail pushmail?how is battery life of 4s?