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| Phone | ZTE Engage LT / Engage MT | Samsung SGH-A657 | Audiovox CDM-8150X | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4" diag. 5 : 3 |
? | ? | ? |
| Display Resolution & Type |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
? |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 1,900 mAh | 1,420 mAh | ? | 1,000 mAh |
| Processor | ? | ? | ? | ? |
| RAM | 1 GB | ? | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | - | - | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | WVGA / 480p | - | - | ? |
| Front Camera | Yes | - | - | - |
| Weight |
5.09 oz (144g) |
4.34 oz (123g) |
3.88 oz (110g) |
4.4 oz (125g) |
| Dimensions |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.88" x 1.89" x 0.71" (124 x 48 x 18 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1700, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
| Data Technology | EVDO rA | HSDPA 3.6 | 1xRTT | EVDO r0 |
| Features | ||||
| Flashlight | - | Yes | - | Yes |
| GPS / Location | n/a | Yes | - | Yes |
| Ruggedized | - | Yes | - | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | - |
| Hearing Aid Compatible | - | - | - |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes | - | Yes |
| Wi-Fi | Yes | - | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | - | Yes |
| Ringer ID | n/a | Yes | - | Yes |
| Voice Dialing | n/a | - | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | - | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | - |
| EMS / Picture Messaging | n/a | - | - | Yes |
| Instant Messaging | n/a | Yes | - | - |
| MMS | n/a | Yes | - | Yes |
| Text Messaging Templates | n/a | Yes | - | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | Yes | - | Yes |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| TV Output | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | - | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | Yes | - | - |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| BREW | n/a | - | - | Yes |
| Games | n/a | Yes | - | Yes |
| Java (J2ME) | n/a | Yes | - | - |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | Yes | - |
| Push-To-Talk | - | Yes | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| ZTE Engage LT / Engage MT | Samsung SGH-A657 | Audiovox CDM-8150X | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Engage LT / Engage MT | Samsung SGH-A657 | Audiovox CDM-8150X | Samsung SCH-A990 |
