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| Phone | Samsung SCH-R300 | ZTE Citrine | Samsung SCH-A990 | Siemens M55 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.7" diag. 4 : 3 |
4" diag. 5 : 3 |
? | ? |
| Display Resolution & Type |
128 x 160 pixels (~123 ppi) LCD (STN) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
101 x 80 pixels LCD (Color) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 1,650 mAh | 1,000 mAh | 700 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | 8 GB | ? raw hardware | ? raw hardware |
| Main Camera | - | 5 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | ? | ? | - |
| Front Camera | - | Yes | - | - |
| Weight |
2.9 oz (82g) |
4.82 oz (137g) |
4.4 oz (125g) |
2.93 oz (83g) |
| Dimensions |
3.5" x 1.8" x 0.78" (89 x 46 x 19.8 mm) |
4.92" x 2.56" x 0.41" (125 x 65 x 10.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.98" x 1.81" x 0.83" (101 x 46 x 21.1 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 3) | EVDO r0 | GPRS |
| Features | ||||
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | - |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| USB | - |
Yes Micro-USB |
Yes | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | Yes | - |
| Ringer ID | Yes | n/a | Yes | - |
| Voice Dialing | Yes | n/a | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | n/a | Yes | - |
| Data & Network | ||||
| Data Tethering | - | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | - | - |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | - | n/a | - | Yes |
| EMS / Picture Messaging | - | n/a | Yes | Yes |
| Instant Messaging | Yes | n/a | - | - |
| MMS | - | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | - | n/a | Yes | - |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| TV Output | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | - |
| Calculator | Yes | n/a | Yes | - |
| Calendar | Yes | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | Yes | - |
| Software | ||||
| BREW | Yes | n/a | Yes | - |
| Games | Yes | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | - | Yes |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SCH-R300 | ZTE Citrine | Samsung SCH-A990 | Siemens M55 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-R300 | ZTE Citrine | Samsung SCH-A990 | Siemens M55 |
