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| Phone | Samsung SGH-A657 | Casio G'zOne Boulder | Nokia 2600 | ZTE Obsidian |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2" diag. 4 : 3 |
? |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (Color) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,420 mAh | 810 mAh | 820 mAh | 1,800 mAh |
| Processor | ? | ? | ? | 1 GHz MediaTek / MT6735M |
| RAM | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 8 GB |
| Main Camera | - | 1 megapixel | - | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | - | 720p HD |
| Front Camera | - | - | - | 2 megapixel |
| Weight |
4.34 oz (123g) |
4.9 oz (139g) |
3.33 oz (94g) |
4.66 oz (132g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) |
4.24" x 1.81" x 0.8" (108 x 46 x 20.3 mm) |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
GSM: 850, 1900 |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | EVDO rA | - | LTE (Cat 4) |
| Features | ||||
| Flashlight | Yes | Yes | - | Yes |
| GPS / Location | Yes | Yes | - | n/a |
| Ruggedized | Yes | Yes | - | - |
| Water-Resistant | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | - | - | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | - | - | - | n/a |
| USB | Yes | 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 | - | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | Yes | - |
| Custom Graphics | Yes | Yes | - | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | Yes | - | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | - | n/a |
| WAP / Web Browser | Yes | Yes | - | n/a |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | n/a |
| Side Keys | 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 |
| Instant Messaging | Yes | - | - | n/a |
| MMS | Yes | Yes | - | n/a |
| Text Messaging Templates | Yes | 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 | - | - | n/a |
| Voice | ||||
| Push-To-Talk | Yes | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SGH-A657 | Casio G'zOne Boulder | Nokia 2600 | ZTE Obsidian | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | Casio G'zOne Boulder | Nokia 2600 | ZTE Obsidian |
