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| Phone | Samsung SCH-U550 | Kyocera 2255 | Samsung SPH-A460 | Sony Ericsson Z550a | TCL A30 / A3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? | ? |
1.9" diag. 4 : 3 |
5.5" diag. 18 : 9 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
? |
128 x 128 pixels LCD (Grayscale) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? | ? |
| Battery | 800 mAh | ? | ? | ? | 3,000 mAh |
| Processor | ? | ? | ? | ? | 2 GHz MediaTek Helio P22 (MT6762V) |
| RAM | ? | ? | ? | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | 1 megapixel | - | - | 1 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | - | - | ? | 1080p HD |
| Front Camera | - | - | - | - | 5 megapixel |
| Weight |
3.17 oz (90g) |
4.34 oz (123g) |
3.4 oz (96g) |
3.26 oz (92g) |
6.03 oz (171g) |
| Dimensions |
3.76" x 1.92" x 0.68" (96 x 49 x 17.3 mm) |
4.72" x 1.89" x 0.95" (120 x 48 x 24.1 mm) |
3.4" x 2.1" x 0.9" (86 x 53 x 22.9 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
5.74" x 2.8" x 0.39" (146 x 71 x 9.9 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | - | - | GPRS | LTE (Cat 4) |
| Features | |||||
| Flashlight | - | - | - | - | Yes |
| GPS / Location | Yes | - | Yes | - | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX2 (drip) |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- | - | - |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | - | - | Yes | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | Yes | - |
| Ringer Profiles | - | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | - | - | Yes | Yes |
| USB | - | - | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | - | - | Yes | n/a |
| Ringer ID | Yes | - | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | Yes | Yes | n/a |
| Customization | |||||
| Custom Graphics | Yes | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | - | - | Yes | n/a |
| Data & Network | |||||
| Data Tethering | Yes | Yes | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | Yes | Yes | Yes | Yes | n/a |
| Side Keys | Yes | - | Yes | Yes | Yes |
| Touch Screen | - | - | - | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | - | Yes | Yes |
| Messaging | |||||
| Email Client | - | - | - | Yes | n/a |
| EMS / Picture Messaging | Yes | - | - | - | n/a |
| MMS | Yes | - | - | Yes | n/a |
| Text Messaging Templates | Yes | - | - | Yes | n/a |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | - | Yes |
| Music Player | Yes | - | - | Yes | n/a |
| Productivity | |||||
| Alarm | Yes | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | Yes | n/a |
| Calendar | Yes | - | Yes | Yes | n/a |
| To-Do List | - | - | Yes | Yes | n/a |
| Voice Memo | Yes | Yes | - | Yes | n/a |
| Software | |||||
| BREW | Yes | - | - | - | n/a |
| Games | Yes | Yes | Yes | Yes | n/a |
| Java (J2ME) | - | - | - | Yes | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Headset Jack (2.5 mm) | Yes | Yes | Yes | - | n/a |
| Push-To-Talk | - | - | - | Yes * | - |
| Speaker Phone | Yes | - | - | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-U550 | Kyocera 2255 | Samsung SPH-A460 | Sony Ericsson Z550a | TCL A30 / A3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-U550 | Kyocera 2255 | Samsung SPH-A460 | Sony Ericsson Z550a | TCL A30 / A3 |
