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| Phone | Samsung SGH-A657 | ZTE Blade Vantage | NEC 525 | BlackBerry Curve 3G 9330 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5" diag. 16 : 9 |
? |
2.5" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
162 x 216 pixels LCD (TFT/TFD) |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 1,420 mAh | 2,500 mAh | 800 mAh | 1,150 mAh |
| Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | ? |
| RAM | ? | 2 GB | ? | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | ? raw hardware |
| Main Camera | - | 8 megapixel | Yes | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 720p HD | - | ? |
| Front Camera | - | 2 megapixel | - | - |
| Weight |
4.34 oz (123g) |
5.29 oz (150g) |
4.03 oz (114g) |
3.7 oz (105g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
5.73" x 2.85" x 0.36" (146 x 72 x 9.2 mm) |
4.12" x 1.88" x 1.06" (105 x 48 x 26.9 mm) |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | BlackBerry OS |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 13 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSDPA 3.6 | LTE (Cat 4) | GPRS | EVDO r0 |
| Features | ||||
| Flashlight | Yes | Yes | - | - |
| GPS / Location | Yes | n/a | - | n/a |
| Ruggedized | Yes | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | n/a |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Infrared (IR) | - | - | Yes | - |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | n/a |
| Ringer ID | Yes | n/a | Yes | n/a |
| Voice Dialing | - | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | Yes | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a |
| Instant Messaging | Yes | n/a | - | n/a |
| MMS | Yes | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | - | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | Yes | n/a | - | n/a |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | Yes | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Java (J2ME) | Yes | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a |
| Push-To-Talk | Yes | - | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung SGH-A657 | ZTE Blade Vantage | NEC 525 | BlackBerry Curve 3G 9330 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | ZTE Blade Vantage | NEC 525 | BlackBerry Curve 3G 9330 |
