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| Phone | ZTE Z998 / Unico LTE | Samsung SGH-E400 | Samsung SPH-i550 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Not yet released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
128 x 144 pixels LCD (TFT/TFD) |
320 x 320 pixels LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? |
| Battery | 2,070 mAh | 700 mAh | ? |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | ? | 200 MHz Motorola MX-1 |
| RAM | 1 GB | ? | ? |
| Storage | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | - | 1 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | - | ? |
| Front Camera | 1 megapixel | - | - |
| Weight |
4.8 oz (136g) |
3.1 oz (88g) |
? |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
3.46" x 1.65" x 0.89" (88 x 42 x 22.6 mm) |
3.46" x 2.34" x 1.1" (88 x 59 x 27.9 mm) |
| Form Factor | Slab | Clamshell | Clamshell |
| Platform / OS | Android | (proprietary) | Palm OS |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | LTE (Cat 3) | GPRS | 1xRTT |
| Features | |||
| GPS / Location | n/a | - | n/a |
| Accessibility | |||
| Adjustable Text Size | n/a | - | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- | - |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Extra Display | - | Yes | Yes |
| Connectivity | |||
| Bluetooth | Yes | - | - |
| Infrared (IR) | - | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a |
| USB |
Yes Micro-USB |
- | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||
| Picture ID | n/a | - | n/a |
| Ringer ID | n/a | - | n/a |
| Voice Dialing | n/a | - | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | 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 |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Messaging | |||
| Email Client | n/a | - | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a |
| Instant Messaging | n/a | - | n/a |
| MMS | n/a | - | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | Yes | - | - |
| Music Player | n/a | - | n/a |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| To-Do List | n/a | Yes | n/a |
| Voice Memo | n/a | - | n/a |
| Software | |||
| Games | n/a | Yes | n/a |
| Java (J2ME) | n/a | Yes | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | n/a | Yes | n/a |
| Speaker Phone | Yes | - | - |
| * Some versions only | |||
| ZTE Z998 / Unico LTE | Samsung SGH-E400 | Samsung SPH-i550 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | Samsung SGH-E400 | Samsung SPH-i550 |
