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| Phone | Samsung SCH-A990 | Samsung UpStage M620 | Ericsson R278d | Sonim XP3plus |
| Current U.S. Carriers | (none) | (none) | (none) |
AT&T T-Mobile Verizon |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.1" diag. 4 : 3 |
? |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 620 mAh | ? | 2,300 mAh |
| Processor | ? | ? | ? | 2 GHz Qualcomm Snapdragon 662 (SM6115) |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | 3 megapixel | 1 megapixel | - | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | - | 1080p HD |
| Front Camera | - | - | - | - |
| Weight |
4.4 oz (125g) |
2.57 oz (73g) |
9.28 oz (263g) |
7.76 oz (220g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
4.07" x 1.73" x 0.37" (103 x 44 x 9.4 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.57" x 2.36" x 1.1" (116 x 60 x 28 mm) |
| Form Factor | Clamshell | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
TDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 25, 26, 30, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO r0 | EVDO r0 | - | LTE (Cat 13) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | Yes | - | - | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | - | Yes | - | Yes |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M4 (very compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | - | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | Yes |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | - | - | - | Yes |
| USB | Yes | Yes | - |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | - | Yes |
| Ringer ID | Yes | Yes | - | Yes |
| Voice Dialing | Yes | Yes | - | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | - | Yes |
| Custom Ringtones | Yes | Yes | Yes | - |
| Real-Music Ringers | Yes | Yes | - | - |
| Data & Network | ||||
| Data Tethering | Yes | - | Yes | Yes |
| External Antenna Jack | - | Yes | - | - |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| EMS / Picture Messaging | Yes | - | - | - |
| Instant Messaging | - | Yes | - | - |
| MMS | Yes | Yes | - | Yes |
| Text Messaging Templates | Yes | Yes | - | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | Yes | - | Yes |
| Stereo Speakers | Yes | - | - | - |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | - | Yes |
| Calendar | Yes | Yes | - | Yes |
| To-Do List | - | Yes | - | - |
| Voice Memo | Yes | Yes | - | Yes |
| Software | ||||
| BREW | Yes | - | - | - |
| Games | Yes | Yes | - | - |
| Java (J2ME) | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | Yes |
| Samsung SCH-A990 | Samsung UpStage M620 | Ericsson R278d | Sonim XP3plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Samsung UpStage M620 | Ericsson R278d | Sonim XP3plus |
