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| Phone | Samsung SCH-A870 / Siren | Samsung Rugby A837 | LG Arena | ZTE Prelude / Avail 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2" diag. 4 : 3 |
3" diag. 5 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (TFT/TFD) |
176 x 220 pixels (~141 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~311 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,000 mAh | 1,000 mAh | 1,500 mAh |
| Processor | ? | ? | ? | 1 GHz Qualcomm Snapdragon MSM7225A |
| RAM | ? | ? | ? | 512 MB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | Yes | 1 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | VGA (640 x 480) | VGA (640 x 480) |
| Front Camera | - | - | - | - |
| Weight |
3.4 oz (96g) |
4.66 oz (132g) |
3.7 oz (105g) |
4.4 oz (125g) |
| Dimensions |
3.6" x 1.8" x 0.85" (91 x 46 x 21.6 mm) |
3.95" x 2.05" x 0.9" (100 x 52 x 22.9 mm) |
4.24" x 2.18" x 0.48" (108 x 55 x 12.2 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
| Data Technology | 1xRTT | HSDPA 3.6 | HSPA 7.2 | HSPA 7.2 |
| Features | ||||
| GPS / Location | Yes | Yes | Yes | n/a |
| Ruggedized | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | - | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB | - | Yes | Yes | Yes |
| Wi-Fi | - | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | n/a |
| Ringer ID | - | Yes | - | n/a |
| Voice Dialing | Yes | - | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | Yes | n/a |
| WAP / Web Browser | Yes | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | - | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | Yes |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes | Yes | n/a |
| EMS / Picture Messaging | Yes | - | - | n/a |
| Instant Messaging | - | Yes | Yes | n/a |
| MMS | Yes | Yes | Yes | n/a |
| Text Messaging Templates | - | Yes | - | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | Yes | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | Yes | Yes | Yes | n/a |
| To-Do List | - | - | Yes | n/a |
| Voice Memo | - | Yes | Yes | n/a |
| Software | ||||
| BREW | Yes | - | - | n/a |
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | Yes | n/a |
| Voice | ||||
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SCH-A870 / Siren | Samsung Rugby A837 | LG Arena | ZTE Prelude / Avail 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A870 / Siren | Samsung Rugby A837 | LG Arena | ZTE Prelude / Avail 2 |
