visual : Symphony B13i Vs Symphony B12
Symphony B13i
Symphony B12
Software
browser
java
Hardware
Memory
General
24Mb Flash + 32Mb RAM
Slot
MicroSD card slot Expandable up to 8GB
expandable
8 GB
Camera
General
Yes
Video
MP4, 3GP
primary
0.08 MP AF
Battery
Stand By
150 Hours
200 Hours
Talk Time
3.5 Hours
4 Hours
capacity
800mAh
type
Li-ion
Design
Display
1.77" TFT QQVGA(120*160)
TFT 120x160 pixels (~111 ppi pixel density)
Weight
screen
1.77"
Connectivity
USB
Yes
Yes
bluetooth
yes
Yes
internet
Others
General
Dual SIM Dual Standby, 800 mAh Li-ion Battery, Audio, video & call recorder, Black list
Audio, video & call recorder, 800 mAh Li-ion Battery, Torchlight