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| Phone | Samsung SCH-A990 | Sonim XP5s | Nokia Lumia 900 | AT&T Vista | Siemens SL55 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.6" diag. 4 : 3 |
4.3" diag. 5 : 3 |
5.5" diag. 18 : 9 |
? |
| Display Resolution & Type |
240 x 320 pixels LCD (TFT/TFD) |
320 x 432 pixels (~204 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 3,180 mAh | 1,830 mAh | 2,450 mAh | 500 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 427 (MSM8920) | 1.4 GHz Qualcomm S2 APQ8055 | 2 GHz MediaTek Helio A22 (MT6761V) | ? |
| RAM | ? | 2 GB | 512 MB | 3 GB | ? |
| Storage | ? raw hardware | 16 GB | 16 GB | 32 GB | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | 8 megapixel | 8 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | 720p HD | 720p HD | 1080p HD | - |
| Front Camera | - | - | 1 megapixel | 5 megapixel | - |
| Weight |
4.4 oz (125g) |
9.17 oz (260g) |
5.6 oz (159g) |
5.51 oz (156g) |
2.79 oz (79g) |
| Dimensions |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.55" x 2.52" x 0.91" (141 x 64 x 23 mm) |
5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.21" x 1.75" x 0.86" (82 x 44 x 21.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Slide |
| Platform / OS | (proprietary) | (proprietary) | Windows | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 28, 30, 38, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
GSM: 900, 1800, 1900 |
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| Data Technology | EVDO r0 | LTE (Cat 4) | LTE (Cat 3) | LTE (Cat 4) | GPRS |
| Features | |||||
| Barometer | - | Yes | - | - | - |
| Flashlight | Yes | Yes | - | Yes | - |
| GPS / Location | Yes | Yes | n/a | n/a | - |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | |||||
| Adjustable Text Size | - | Yes | n/a | n/a | - |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | - |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Ringer Profiles | - | Yes | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Infrared (IR) | - | - | - | - | Yes |
| Mobile Hotspot | - | Yes | n/a | n/a | - |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
Yes USB Type C |
- |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes | Yes | - |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | n/a | Yes |
| Voice Dialing | Yes | - | n/a | n/a | Yes |
| Customization | |||||
| Custom Graphics | Yes | - | n/a | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | - | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | Yes | - | n/a | n/a | Yes |
| Dual-SIM | - | Yes | - | - | - |
| WAP / Web Browser | Yes | Yes | n/a | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | - | n/a | n/a | Yes |
| EMS / Picture Messaging | Yes | - | n/a | n/a | Yes |
| Instant Messaging | - | - | n/a | n/a | - |
| MMS | Yes | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | n/a | Yes |
| Music | |||||
| FM Radio | - | Yes | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - |
| Music Player | Yes | Yes | n/a | n/a | - |
| Stereo Speakers | Yes | - | - | - | - |
| Photo & Video | |||||
| TV Output | Yes | - | - | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes |
| Calculator | Yes | Yes | n/a | n/a | Yes |
| Calendar | Yes | Yes | n/a | n/a | Yes |
| To-Do List | - | - | n/a | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | n/a | Yes |
| Software | |||||
| BREW | Yes | - | n/a | n/a | - |
| Games | Yes | - | n/a | n/a | Yes |
| Java (J2ME) | - | - | n/a | n/a | Yes |
| Voice | |||||
| HD Voice | - | Yes | - | Yes | - |
| Push-To-Talk | - | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| Samsung SCH-A990 | Sonim XP5s | Nokia Lumia 900 | AT&T Vista | Siemens SL55 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A990 | Sonim XP5s | Nokia Lumia 900 | AT&T Vista | Siemens SL55 |
