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| Phone | Samsung Impression SGH-A877 | Motorola Evoke QA4 | ZTE Agent | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | 3.2" diag. 5 : 3 | 2.8" diag. 5 : 3 | 2.4" diag. 4 : 3 | 
| Display Resolution & Type | 240 x 400 pixels (~146 ppi) AMOLED | 240 x 400 pixels (~167 ppi) LCD (TFT/TFD) | 240 x 320 pixels (~167 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | ? | ? | 
| Battery | 1,000 mAh | 1,170 mAh | 900 mAh | 
| Processor | ? | MSM6800a | ? | 
| RAM | ? | ? | ? | 
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | 3 megapixel | 2 megapixel | 1 megapixel | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | QVGA (320 x 240) | ? | ? | 
| Front Camera | - | - | - | 
| Weight | 5.2 oz (147g) | 4.52 oz (128g) | 3.53 oz (100g) | 
| Dimensions | 4.48" x 2.28" x 0.64" (114 x 58 x 16.3 mm) | 4.25" x 1.99" x 0.69" (108 x 51 x 17.5 mm) | 4.3" x 1.9" x 0.6" (109 x 48 x 15.2 mm) | 
| Form Factor | Slab | Slide | Slab | 
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | 
| Network Bands | WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1700, 1900 | CDMA: 850, 1700, 1900 | 
| Data Technology | HSDPA 3.6 | EVDO rA | 1xRTT | 
| Features | |||
| GPS / Location | Yes | Yes | Yes | 
| Accessibility | |||
| Hearing Aid Compatible | Yes | Yes | Yes | 
| Multiple Languages | Yes | Yes | Yes | 
| TTY/TDD (Digital) | - | Yes | Yes | 
| Alerts | |||
| Ringer Profiles | Yes | - | - | 
| Connectivity | |||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | 
| USB | Yes | Yes | Yes Micro-USB | 
| Contacts | |||
| Picture ID | Yes | Yes | - | 
| Ringer ID | Yes | Yes | Yes | 
| Voice Dialing | - | Yes | - | 
| Customization | |||
| Custom Graphics | Yes | Yes | Yes | 
| Custom Ringtones | Yes | Yes | Yes | 
| Real-Music Ringers | Yes | Yes | Yes | 
| Data & Network | |||
| Data Tethering | Yes | Yes | - | 
| WAP / Web Browser | Yes | Yes | Yes | 
| Input | |||
| Predictive Text Entry | Yes | Yes | Yes | 
| Side Keys | Yes | Yes | Yes | 
| Text Keyboard, Hardware | Yes | - | - | 
| Touch Screen | Yes | Yes | - | 
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes | 
| Messaging | |||
| Email Client | Yes | Yes | Yes | 
| Instant Messaging | Yes | - | Yes | 
| MMS | Yes | - | Yes | 
| Text Messaging Templates | Yes | - | Yes | 
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes | 
| Music Player | Yes | Yes | Yes | 
| Productivity | |||
| Alarm | Yes | Yes | Yes | 
| Calculator | Yes | Yes | Yes | 
| Calendar | Yes | Yes | Yes | 
| To-Do List | Yes | - | - | 
| Voice Memo | Yes | - | Yes | 
| Software | |||
| BREW | - | Yes | Yes | 
| Games | Yes | Yes | Yes | 
| Java (J2ME) | Yes | - | - | 
| Voice | |||
| Speaker Phone | Yes | Yes | Yes | 
| Samsung Impression SGH-A877 | Motorola Evoke QA4 | ZTE Agent | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  | |
| Phone | Samsung Impression SGH-A877 | Motorola Evoke QA4 | ZTE Agent | 
 









