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| Phone | HTC Droid Eris | Kyocera DuraXV Extreme / Extreme+ | Sonim XP3 | ZTE Z431 / Altair |
| Current U.S. Carriers | (none) | Verizon | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
2.6" diag. 4 : 3 |
2.6" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 1,300 mAh | 1,770 mAh | 1,500 mAh | 1,000 mAh |
| Processor | 528 MHz MSM7600 | 2 GHz MediaTek Helio A22 (6761) | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? |
| RAM | ? | 2 GB | 1 GB | ? |
| Storage | ? raw hardware | 16 GB | 8 GB | ? raw hardware |
| Main Camera | 5 megapixel | 5 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | CIF (352 x 288) | 720p HD | ? | QVGA (320 x 240) |
| Front Camera | - | - | - | - |
| Weight |
4.43 oz (126g) |
6.8 oz (193g) |
6.88 oz (195g) |
3.52 oz (100g) |
| Dimensions |
4.45" x 2.19" x 0.52" (113 x 55 x 13.2 mm) |
4.36" x 2.22" x 1.07" (111 x 56 x 27.2 mm) |
4.4" x 2.3" x 1.1" (112 x 58 x 27.9 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12, 13 WCDMA: 1, 2, 5 |
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 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | EVDO rA | LTE (Cat 4) | LTE (Cat 4) | ? |
| Features | ||||
| Barometer | - | Yes * | Yes | - |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | n/a | Yes | Yes | Yes |
| Ruggedized | - | Yes | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | Yes | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | Yes | Yes | - |
| USB |
Yes Mini-USB |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | - | Yes |
| Ringer ID | n/a | Yes | Yes | Yes |
| Voice Dialing | n/a | Yes | Yes | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | Yes | - | Yes |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | Yes |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | - | Yes |
| Instant Messaging | n/a | - | - | - |
| MMS | n/a | Yes | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | n/a | Yes | Yes | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| BREW | n/a | - | - | Yes |
| Games | n/a | - | - | Yes |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Push-To-Talk | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| HTC Droid Eris | Kyocera DuraXV Extreme / Extreme+ | Sonim XP3 | ZTE Z431 / Altair | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | HTC Droid Eris | Kyocera DuraXV Extreme / Extreme+ | Sonim XP3 | ZTE Z431 / Altair |
