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| Phone | Samsung SGH-A657 | ZTE Prelude / Avail 2 | Siemens CF75 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Not yet released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
176 x 220 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | ? |
| Battery | 1,420 mAh | 1,500 mAh | 600 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon MSM7225A | ? |
| RAM | ? | 512 MB | ? |
| Storage | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | - | 2 megapixel | Yes |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | VGA (640 x 480) | - |
| Front Camera | - | - | - |
| Weight |
4.34 oz (123g) |
4.4 oz (125g) |
3.17 oz (90g) |
| Dimensions |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
| Form Factor | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | HSPA 7.2 | EDGE |
| Features | |||
| Flashlight | Yes | - | - |
| GPS / Location | Yes | n/a | - |
| Ruggedized | Yes | - | - |
| Accessibility | |||
| Adjustable Text Size | - | n/a | - |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | - |
| Infrared (IR) | - | - | Yes |
| USB | Yes | Yes | Yes |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | |||
| Picture ID | Yes | n/a | - |
| Ringer ID | Yes | n/a | - |
| Voice Dialing | - | n/a | - |
| Customization | |||
| Custom Graphics | Yes | n/a | Yes |
| Custom Ringtones | Yes | n/a | Yes |
| Real-Music Ringers | Yes | n/a | - |
| Data & Network | |||
| Data Tethering | Yes | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes |
| Input | |||
| Predictive Text Entry | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
| Memory | |||
| Memory Card Slot | Yes | Yes | - |
| Messaging | |||
| Email Client | Yes | n/a | Yes |
| EMS / Picture Messaging | - | n/a | Yes |
| Instant Messaging | Yes | n/a | - |
| MMS | Yes | n/a | Yes |
| Text Messaging Templates | Yes | n/a | Yes |
| Music | |||
| Headphone Jack (3.5mm) | - | Yes | - |
| Music Player | Yes | n/a | - |
| Productivity | |||
| Alarm | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes |
| To-Do List | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes |
| Software | |||
| Games | Yes | n/a | Yes |
| Java (J2ME) | Yes | n/a | Yes |
| Voice | |||
| Push-To-Talk | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SGH-A657 | ZTE Prelude / Avail 2 | Siemens CF75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-A657 | ZTE Prelude / Avail 2 | Siemens CF75 |
