Processor
Processor architecture |
ARM Cortex-A7 |
Processor frequency |
1.2 GHz |
Processor cores |
2 |
Networking
Wi-Fi |
Y |
4G |
N |
3G |
Y |
2G standards |
GSM |
3G standards |
TD-SCDMA |
Ports & interfaces
USB port |
Y |
USB version |
2.0 |
USB connector type |
Micro-USB |
Ergonomics
Accelerometer |
Y |
Ambient light sensor |
Y |
Proximity sensor |
Y |
Storage
Internal storage capacity |
4 GB |
USB mass storage |
Y |
Maximum memory card size |
32 GB |
Camera
Video recording |
Y |
Front camera |
Y |
Rear camera resolution (numeric) |
3 MP |
Geotagging |
Y |
Front camera resolution (numeric) |
0.3 MP |
Software
Operating system version |
4.2.2 |
Call management
Speakerphone |
Y |
Call timer |
Y |
Call divert |
Y |
Call hold |
Y |
Conference call |
Y |
Speed dialing |
Y |
Vibrating alert |
Y |
Call waiting |
Y |
Caller ID |
Y |
Messaging
E-mail |
Y |
Chat |
Y |
MMS (Multimedia Messaging Service) |
Y |
Instant messaging (IM) |
Y |
Short Message Service (SMS) |
Y |
Performance
Themes |
Wallpapers |
Flight mode |
Y |
Personalization |
Themes, Shortcuts, Icons |
Closed user group support |
Y |
Support for contact groups |
Y |
Microphone mute |
Y |
Personal info management (PIM) |
Alarm clock, Calculator, Calendar, Events reminder, Notes, To-do list |
Subscription
Subscription type |
No subscription |
Battery
Standby time (3G) |
250 h |
Standby time (2G) |
300 h |
Talk time (3G) |
11 h |
Talk time (2G) |
12 h |
Additionally
Battery performance |
1700 mAh |
Graphics |
Mali 400 |
Internal RAM |
0.5 GB |
R821T - 4" 800 x 480 IPS, GSM/TD-SCDMA, 1.2GHz dual-core, RAM 512 MB, 3MP, WLAN, Android 4.2.2