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| Phone | Samsung Messager III / R570 | Cal-Comp EZ | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? |
| Battery | 1,140 mAh | 800 mAh | 1,000 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | - | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | ? |
| Front Camera | - | - | - |
| Weight |
3.7 oz (105g) |
2.47 oz (70g) |
4.4 oz (125g) |
| Dimensions |
4.59" x 2.11" x 0.59" (117 x 53 x 15 mm) |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slide | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | 1xRTT | 1xRTT | EVDO r0 |
| Features | |||
| Flashlight | - | - | Yes |
| GPS / Location | Yes | Yes | Yes |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| USB | Yes |
Yes Mini-USB |
Yes |
| Contacts | |||
| Picture ID | Yes | - | Yes |
| Ringer ID | Yes | - | Yes |
| Voice Dialing | Yes | - | Yes |
| Customization | |||
| Custom Graphics | Yes | - | Yes |
| Custom Ringtones | Yes | - | Yes |
| Real-Music Ringers | Yes | - | Yes |
| Data & Network | |||
| Data Tethering | - | - | Yes |
| WAP / Web Browser | Yes | - | Yes |
| Input | |||
| Predictive Text Entry | Yes | - | Yes |
| Side Keys | Yes | - | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| EMS / Picture Messaging | - | - | Yes |
| MMS | Yes | - | Yes |
| Text Messaging Templates | Yes | Yes | Yes |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | Yes | - | Yes |
| Stereo Speakers | - | - | Yes |
| Photo & Video | |||
| TV Output | - | - | Yes |
| Productivity | |||
| Alarm | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes |
| To-Do List | - | Yes | - |
| Voice Memo | Yes | Yes * | Yes |
| Software | |||
| BREW | Yes | - | Yes |
| Games | Yes | - | Yes |
| Voice | |||
| Headset Jack (2.5 mm) | - | Yes | - |
| Speaker Phone | Yes | - | Yes |
| * Some versions only | |||
| Samsung Messager III / R570 | Cal-Comp EZ | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Messager III / R570 | Cal-Comp EZ | Samsung SCH-A990 |
