Specifications

Market Launch
October 2014
Operating System
Firefox OS 1.3T
SoC Family
Spreadtrum SC68xx
SoC Model
SC6821
CPU Architecture
ARMv7 Cortex A5
CPU Cores
Single Core
CPU Frequency
1.0 GHz
GPU
ARM Mali-400MP1
RAM
128 MiB
Internal Storage
256 MiB
Display Size
3.5 Inches
Display Resolution
HVGA (320 × 480 Pixels)
Rear Camera
1.3 Megapixels
Front Camera
No
Camera Flash
No
Bluetooth
2.1
GPS
No
LTE
No
NFC
No
Battery Capacity
1,000 mAh
Dimensions
112.2 × 62.0 × 12.0 mm
Weight
93 g

Variants

4020A

Dual SIM
No
Band GSM
850 / 1900 MHz

4020D

Dual SIM
Yes
Band GSM
900 / 1800 MHz

4020E

Dual SIM
Yes
Band GSM
850 / 1900 MHz

4020X

Dual SIM
No
Band GSM
900 / 1800 MHz