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| Phone | ZTE Z331 | LG Premier Pro LTE | Siemens A56 / A56i | Sonim XP5plus |
| Current U.S. Carriers | (none) | (none) | (none) | AT&T |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
5.3" diag. 16 : 9 |
? |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~277 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 950 mAh | 2,880 mAh | 700 mAh | 3,500 mAh |
| Processor | ? | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) | ? | 2 GHz Snapdragon 662 |
| RAM | ? | 2 GB | ? | 2 GB |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 16 GB |
| Main Camera | 3 megapixel | 8 megapixel | - | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | 1080p HD | - | 1080p HD |
| Front Camera | - | 5 megapixel | - | - |
| Weight |
4 oz (113g) |
5.93 oz (168g) |
3 oz (85g) |
9.7 oz (275g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
5.85" x 2.96" x 0.34" (149 x 75 x 8.6 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
5.85" x 2.59" x 0.83" (149 x 66 x 21 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 25, 26, 29, 30, 39, 40, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | LTE (Cat 4) | - | LTE (Cat 13) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Flashlight | - | Yes | - | Yes |
| GPS / Location | Yes | n/a | Yes | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - | - |
Yes IPX9 (dishwasher) |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | - | Yes |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | - | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | - | n/a | - | Yes |
| USB |
Yes Micro-USB |
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 | Yes | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | - | n/a | - | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | - | Yes |
| Data & Network | ||||
| Data Tethering | Yes | n/a | - | Yes |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | Yes | n/a | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | - | - |
| EMS / Picture Messaging | - | n/a | Yes | - |
| Instant Messaging | Yes | n/a | - | - |
| MMS | Yes | n/a | - | Yes |
| Text Messaging Templates | Yes | n/a | - | Yes |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | - | Yes |
| Voice Memo | Yes | n/a | - | Yes |
| Software | ||||
| Games | Yes | n/a | Yes | - |
| Java (J2ME) | Yes | n/a | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | - | Yes |
| ZTE Z331 | LG Premier Pro LTE | Siemens A56 / A56i | Sonim XP5plus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | LG Premier Pro LTE | Siemens A56 / A56i | Sonim XP5plus |
