Technology
- 2G Network
- GSM 850 / 900 / 1800 / 1900
- 3G Network
- HSDPA 900 / 2100 - ST21i
HSDPA 850 / 1900 / 2100 - ST21a - GPS
- Yes, with A-GPS support
- Type
- TFT capacitive touchscreen, 256K colors
- Size
-
320 x 480 pixels, 3.2 inches - Pixel density
- ~180 ppi
- Multitouch
- Yes
- Protection
- Scratch-resistant glass
- Dimensions
-
- Weight
-
- Primary
-
3.15 MP, 2048x1536 pixels - Features
- Geo-tagging
- Video
- Yes, VGA
- Secondary
- No
- OS
- Android OS, v4.0.3 (Ice Cream Sandwich)
- Chipset
- Qualcomm MSM7225AA
- CPU
- 800 MHz
- GPU
- Adreno 200
- Sensors
- Accelerometer, proximity
- Internal Memory
- 2.9 GB storage (2.5 GB user available), 512 MB RAM
- Extra Storage
- microSD, up to 32 GB
- Alert types
- Vibration; MP3 ringtones
- Speakerphone
-
- 3.5 mm Jack
- Yes
- Radio
- Stereo FM radio with RDS
- GPRS
- Up to 86 kbps
- EDGE
- Up to 237 kbps
- Speed
- HSDPA, 7.2 Mbps; HSUPA, 5.76 Mbps
- WLAN
- Wi-Fi 802.11 b/g/n, Wi-Fi hotspot
- Bluetooth
- Yes, v2.1 with A2DP
- USB
- Yes, microUSB (MHL) v2.0
- Messaging
- SMS (threaded view), MMS, Email, IM, Push Email
- Browser
- HTML, Adobe Flash
- Colors
- Classic Black, Classic White, Deep Red, Navy Blue
- Java
- Yes, via Java MIDP emulator
- Miscellaneous
- SNS integration
- MP4/H.264/WMV player
- MP3/WMA/WAV/eAAC+ player
- Organizer
- Document viewer
- Voice memo/dial
- Predictive text input
- Battery
- Standard battery, Li-Ion 1500 mAh
- Stand-by
-
- Talk time
-
- Music play
-