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| Phone | ZTE Prelude / Avail 2 | Sonim XP3plus | Samsung Galaxy S II / SGH-i777 |
| Current U.S. Carriers | (none) |
AT&T T-Mobile Verizon |
(none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
2.8" diag. 4 : 3 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,500 mAh | 2,300 mAh | 1,650 mAh |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | 2 GHz Qualcomm Snapdragon 662 (SM6115) | 1.2 GHz Samsung Exynos dual-core |
| RAM | 512 MB | 2 GB | ? |
| Storage | 4 GB | 16 GB | 16 GB |
| Main Camera | 2 megapixel | 8 megapixel | 8 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | VGA (640 x 480) | 1080p HD | 1080p HD |
| Front Camera | - | - | 2 megapixel |
| Weight |
4.4 oz (125g) |
7.76 oz (220g) |
4.3 oz (122g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
4.57" x 2.36" x 1.1" (116 x 60 x 28 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
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 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | LTE (Cat 13) | HSPA+ 21 |
| Features | |||
| Barometer | - | Yes | - |
| Flashlight | - | Yes | - |
| GPS / Location | n/a | Yes | n/a |
| Ruggedized | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||
| Adjustable Text Size | n/a | Yes | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | Yes | n/a |
| NFC | - | - | Yes |
| USB | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Contacts | |||
| Picture ID | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | - | n/a |
| Real-Music Ringers | n/a | - | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | - | n/a |
| Instant Messaging | n/a | - | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Music Player | n/a | Yes | n/a |
| Photo & Video | |||
| DLNA | - | - | Yes |
| TV Output | - | - | Yes |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| Games | n/a | - | n/a |
| Voice | |||
| HD Voice | - | Yes | - |
| Push-To-Talk | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| ZTE Prelude / Avail 2 | Sonim XP3plus | Samsung Galaxy S II / SGH-i777 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | Sonim XP3plus | Samsung Galaxy S II / SGH-i777 |
