Processor
Processor architecture |
ARM Cortex-A7 |
Processor frequency |
1.2 GHz |
Processor cores |
4 |
Networking
Wi-Fi |
Y |
4G |
N |
2G standards |
GSM |
SIM card type |
SIM + MicroSIM |
3G |
Y |
SIM card capability |
Dual SIM |
Ports & interfaces
USB port |
Y |
USB connector type |
Micro-USB |
Camera
Front camera resolution (numeric) |
0.3 MP |
Video recording |
Y |
Front camera |
Y |
Rear camera resolution (numeric) |
2 MP |
Storage
Maximum memory card size |
32 GB |
Internal storage capacity |
4 GB |
USB mass storage |
Y |
Performance
Personal info management (PIM) |
Alarm clock, Calculator, Calendar, Events reminder, Notes, To-do list |
Themes |
Wallpapers |
Flight mode |
Y |
Personalization |
Shortcuts, Menu, Icons |
Support for contact groups |
Y |
Microphone mute |
Y |
Software
Operating system version |
4.4 |
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 |
Subscription
Subscription type |
No subscription |
Additionally
Battery performance |
1300 mAh |
Internal RAM |
0.5 GB |
my21 - 4.0" 800х480 TN, GSM/3G, SC7731 Quad Core 1.2GHz Cortex A7, 512 MB RAM, 2 MP, Wi-Fi, microSD, Android