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| Phone | ZTE Z431 / Altair | Pantech Duo C810 | Samsung Transform | Sonim XP5s |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
2.2" diag. 4 : 3 |
3.5" diag. 5 : 3 |
2.6" diag. 4 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
320 x 432 pixels (~204 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 1,320 mAh | 1,500 mAh | 3,180 mAh |
| Processor | ? | ARM 920t PXA27x | 800 MHz Samsung S3C6410, Qualcomm QSC6085 | 1.4 GHz Qualcomm Snapdragon 427 (MSM8920) |
| RAM | ? | ? | ? | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | 2 megapixel | 1 megapixel | 3 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | QVGA (320 x 240) | QVGA (320 x 240) | 720p HD |
| Front Camera | - | - | Yes | - |
| Weight |
3.52 oz (100g) |
3.88 oz (110g) |
5.37 oz (152g) |
9.17 oz (260g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.01" x 1.97" x 0.78" (102 x 50 x 19.8 mm) |
4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm) |
5.55" x 2.52" x 0.91" (141 x 64 x 23 mm) |
| Form Factor | Slab | Slide | Slide | Slab |
| Platform / OS | (proprietary) | Windows Mobile Standard | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
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 |
| Data Technology | ? | HSDPA 1.8 | EVDO rA | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | - | - | - | Yes |
| GPS / Location | Yes | n/a | n/a | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | Yes |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | - | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | - |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | - |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | - |
| Instant Messaging | - | n/a | n/a | - |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | - | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | Yes | n/a | n/a | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | - | n/a | n/a | - |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| BREW | Yes | n/a | n/a | - |
| Games | Yes | n/a | n/a | - |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Z431 / Altair | Pantech Duo C810 | Samsung Transform | Sonim XP5s | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Pantech Duo C810 | Samsung Transform | Sonim XP5s |
