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| Phone | Samsung SCH-U550 | ZTE Grand X 3 | Sonim XP3 | Samsung Freeform 4 / Comment 2 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
5.5" diag. 16 : 9 |
2.6" diag. 4 : 3 |
2.4" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~267 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (Color) |
| Display Refresh | ? | 60 Hz | ? | ? |
| Battery | 800 mAh | 3,080 mAh | 1,500 mAh | 1,000 mAh |
| Processor | ? | 1.3 GHz Qualcomm Snapdragon 210 (MSM8909) | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? |
| RAM | ? | 2 GB | 1 GB | ? |
| Storage | ? raw hardware | 16 GB | 8 GB | ? raw hardware |
| Main Camera | 1 megapixel | 8 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 720p HD | ? | QCIF (176 x 144) |
| Front Camera | - | 2 megapixel | - | - |
| Weight |
3.17 oz (90g) |
6 oz (170g) |
6.88 oz (195g) |
3.35 oz (95g) |
| Dimensions |
3.76" x 1.92" x 0.68" (96 x 49 x 17.3 mm) |
6.07" x 2.99" x 0.37" (154 x 76 x 9.4 mm) |
4.4" x 2.3" x 1.1" (112 x 58 x 27.9 mm) |
4.38" x 2.38" x 0.42" (111 x 60 x 10.7 mm) |
| Form Factor | Clamshell | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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 |
CDMA: 850, 1700, 1900 |
| Data Technology | EVDO r0 | LTE (Cat 4) | LTE (Cat 4) | 1xRTT |
| Features | ||||
| Barometer | - | - | Yes | - |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | n/a | Yes | Yes |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | Yes | Yes |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | Yes | - |
| Ringer Profiles | - | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | Yes | - |
| USB | - |
Yes USB Type C |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | - | Yes |
| Ringer ID | Yes | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | Yes | Yes |
| Customization | ||||
| 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 | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| EMS / Picture Messaging | Yes | n/a | - | - |
| MMS | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | Yes | n/a | Yes | Yes |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | Yes |
| Calculator | Yes | n/a | Yes | Yes |
| Calendar | Yes | n/a | Yes | Yes |
| Voice Memo | Yes | n/a | Yes | Yes |
| Software | ||||
| BREW | Yes | n/a | - | Yes |
| Games | Yes | n/a | - | Yes |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Headset Jack (2.5 mm) | Yes | n/a | - | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung SCH-U550 | ZTE Grand X 3 | Sonim XP3 | Samsung Freeform 4 / Comment 2 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-U550 | ZTE Grand X 3 | Sonim XP3 | Samsung Freeform 4 / Comment 2 |
