Network | Technology | GSM / HSPA | GSM / HSPA | GSM / HSPA |
---|---|---|---|---|
2G bands | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | GSM 850 / 900 / 1800 / 1900 | |
3G bands | HSDPA 900 / 2100 - E10i | HSDPA 900 / 2100 | HSDPA 900 / 2100 | |
HSDPA 850 / 1900 / 2100 - E10a | HSDPA 850 / 1900 / 2100 | HSDPA 850 / 1900 / 2100 | ||
Speed | HSPA 7.2/2 Mbps | HSPA 7.2/5.76 Mbps | HSPA 7.2/2 Mbps |
Launch | Announced | 2010, February. Released 2010, May | 2011, May. Released 2011, August | 2010, February. Released 2010, June |
---|---|---|---|---|
Status | Discontinued | Discontinued | Discontinued |
Body | Dimensions | 83 x 50 x 16 mm (3.27 x 1.97 x 0.63 in) | 88 x 52 x 16 mm (3.46 x 2.05 x 0.63 in) | 90 x 52 x 17 mm (3.54 x 2.05 x 0.67 in) |
---|---|---|---|---|
Weight | 88 g (3.10 oz) | 99 g (3.49 oz) | 120 g (4.23 oz) | |
Keyboard | QWERTY | |||
SIM | Mini-SIM | Mini-SIM | Mini-SIM |
Display | Type | TFT (65K effective) | LED-backlit LCD, | TFT (65K effective) |
---|---|---|---|---|
Size | 2.55 inches, 20.1 cm2 (~48.5% screen-to-body ratio) | 3.0 inches, 26.8 cm2 (~58.6% screen-to-body ratio) | 2.55 inches, 20.1 cm2 (~43.0% screen-to-body ratio) | |
Resolution | 240 x 320 pixels, 4:3 ratio (~157 ppi density) | 320 x 480 pixels, 3:2 ratio (~192 ppi density) | 240 x 320 pixels, 4:3 ratio (~157 ppi density) | |
Protection | Scratch-resistant glass | Scratch-resistant glass | Scratch-resistant glass | |
Timescape UI | Timescape UI |
Platform | OS | Android 1.6 (Donut), upgradable to 2.1 (Eclair) | Android 2.3 (Gingerbread), upgradable to 4.0 (Ice Cream Sandwich) | Android 1.6 (Donut), upgradable to 2.1 (Eclair) |
---|---|---|---|---|
Chipset | Qualcomm MSM7227 Snapdragon S1 | Qualcomm MSM8255 Snapdragon S2 | Qualcomm MSM7227 Snapdragon S1 | |
CPU | 600 MHz ARM 11 | 1.0 GHz Scorpion | 600 MHz ARM 11 | |
GPU | Adreno 200 | Adreno 205 | Adreno 200 |
Memory | Card slot | microSDHC (dedicated slot), 2 GB included | microSDHC (dedicated slot), 2 GB included | microSDHC (dedicated slot), 2 GB included |
---|---|---|---|---|
Internal | 128MB | 512MB RAM, 320MB | 128MB |
Main Camera | Modules | 5 MP, AF | 5 MP, AF | 5 MP, AF |
---|---|---|---|---|
Features | LED flash | LED flash | LED flash | |
Video | 480p@30fps | 720p | 480p@30fps |
Selfie Camera | Modules | No | No | No |
---|
Sound | Loudspeaker | Yes | Yes | Yes |
---|---|---|---|---|
3.5mm jack | Yes | Yes | Yes |
Comms | WLAN | Wi-Fi 802.11 b/g, hotspot (v2.2 or higher) | Wi-Fi 802.11 b/g/n, DLNA, hotspot | Wi-Fi 802.11 b/g, hotspot (v2.2 or higher) |
---|---|---|---|---|
Bluetooth | 2.0, A2DP, EDR | 2.1, A2DP | 2.1, A2DP | |
Positioning | GPS, A-GPS | GPS, A-GPS | GPS, A-GPS | |
Infrared port | No | No | No | |
Radio | Stereo FM radio, RDS | Stereo FM radio, RDS | Stereo FM radio, RDS | |
USB | microUSB 2.0 | microUSB 2.0 | microUSB 2.0 |
Features | Sensors | Accelerometer, proximity, compass | Accelerometer, proximity, compass | Accelerometer, proximity, compass |
---|---|---|---|---|
ANT+ MP4/H.264/WMV player MP3/eAAC+/WMA/WAV player TrackID music recognition Document viewer Voice memo Predictive text input |
ANT+ MP4/H.264/WMV player MP3/eAAC+/WMA/WAV player TrackID music recognition Document viewer Voice memo Predictive text input |
ANT+ MP4/H.264/WMV player MP3/eAAC+/WMA/WAV player TrackID music recognition Document viewer Voice memo Predictive text input |
Battery | Type | Non-removable Li-Po 950 mAh battery | Removable Li-Ion 1200 mAh battery | Removable Li-Po 930 mAh battery |
---|---|---|---|---|
Stand-by | Up to 285 h (2G) / Up to 360 h (3G) | Up to 340 h (2G) / Up to 320 h (3G) | Up to 285 h (2G) / Up to 360 h (3G) | |
Talk time | Up to 4 h (2G) / Up to 3 h 30 min (3G) | Up to 4 h 30 min (2G) / Up to 4 h 30 min (3G) | Up to 4 h (2G) / Up to 3 h 30 min (3G) | |
Music play | Up to 25 h |
Misc | |||
---|---|---|---|
Colors | Gold, Pearl White, Black, Pink, Lime, Red, Silver | Black, White, Blue, Dark pink | Black, Red, Pink | SAR EU | 1.17 W/kg (head) | 0.78 W/kg (head) | 1.61 W/kg (head) |
Models | ST15i | ||
Price | About 70 EUR | About 120 EUR | About 70 EUR |
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