Express X51
890 Tk
890 Tk
Symphony B12
890 Tk
890 Tk
visual : Express X51 Vs Symphony B12
Express X51
Symphony B12
Software
browser
java
No
Hardware
Memory
General
Slot
MicroSD card slot Expandable up to 16GB
expandable
8 GB
Camera
General
Yes
Video
Yes
primary
0.08 MP AF
Battery
Stand By
240 Hours
200 Hours
Talk Time
14 Hours
4 Hours
capacity
800mAh
type
Li-ion
Design
Display
1.8" TFT (160px * 128px)
TFT 120x160 pixels (~111 ppi pixel density)
Weight
50 gm gm
screen
1.77"
Connectivity
USB
Yes
Yes
bluetooth
Yes, v2.0
Yes
internet
No
Others
General
Audio Recorder, Black List bangla language suport, torch light, 950mAh Battery
Audio, video & call recorder, 800 mAh Li-ion Battery, Torchlight