hello i am using samsung s3 meri battery bht jaldi end horae ha need suggestions tried many power saving apps mein display minimum par rakhta hn aur apps bi sab hata kar reset karka sab kuch karka dekh liya but no use need help guys kia karonn i read ka if i change my battery 2100 mah to 7000mah meri battery timing bttr hojai gi is it really true tu kahan sa yeh battery milagi ??????