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| Phone | Motorola Charm | Sonim XP3 | Samsung SCH-A990 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.8" diag. 4 : 3 |
2.6" diag. 4 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 1,170 mAh | 1,500 mAh | 1,000 mAh |
| Processor | 720 MHz TI OMAP3410 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? |
| RAM | ? | 1 GB | ? |
| Storage | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | ? | ? |
| Front Camera | - | - | - |
| Weight |
3.88 oz (110g) |
6.88 oz (195g) |
4.4 oz (125g) |
| Dimensions |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
4.4" x 2.3" x 1.1" (112 x 58 x 27.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
| Form Factor | Slab | Clamshell | Clamshell |
| Platform / OS | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 8, 12, 13, 14, 25, 26, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | HSDPA 3.6 | LTE (Cat 4) | EVDO r0 |
| Features | |||
| Barometer | - | Yes | - |
| Flashlight | - | Yes | Yes |
| GPS / Location | n/a | Yes | Yes |
| Ruggedized | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||
| Adjustable Text Size | n/a | Yes | - |
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | Yes | Yes |
| Ringer Profiles | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | Yes | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | |||
| Picture ID | n/a | - | 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 |
| Real-Music Ringers | n/a | - | Yes |
| Data & Network | |||
| Data Tethering | n/a | Yes | Yes |
| Dual-SIM | - | Yes | - |
| WAP / Web Browser | n/a | Yes | Yes |
| Input | |||
| Predictive Text Entry | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- | - |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | - | - |
| EMS / Picture Messaging | n/a | - | Yes |
| Instant Messaging | n/a | - | - |
| MMS | n/a | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | 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 |
| Calendar | n/a | Yes | Yes |
| Voice Memo | n/a | Yes | Yes |
| Software | |||
| BREW | n/a | - | Yes |
| Games | n/a | - | Yes |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| Motorola Charm | Sonim XP3 | Samsung SCH-A990 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Motorola Charm | Sonim XP3 | Samsung SCH-A990 |
