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| Phone | ZTE Obsidian | ZTE Z431 / Altair | Sanyo SCP-5400 / RL-2500 | Ericsson R278d |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
2.4" diag. 4 : 3 |
? | ? |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
132 x 176 pixels LCD (TFT/TFD) |
101 x 40 pixels |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 1,800 mAh | 1,000 mAh | 1,000 mAh | ? |
| Processor | 1 GHz MediaTek / MT6735M | ? | ? | ? |
| RAM | 1 GB | ? | ? | ? |
| Storage | 8 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 2 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | QVGA (320 x 240) | - | - |
| Front Camera | 2 megapixel | - | - | - |
| Weight |
4.66 oz (132g) |
3.52 oz (100g) |
3.71 oz (105g) |
9.28 oz (263g) |
| Dimensions |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
3.6" x 1.85" x 1.04" (91 x 47 x 26.4 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
TDMA: 850, 1900 AMPS: 850 |
| Data Technology | LTE (Cat 4) | ? | 1xRTT | - |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | Yes | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | - |
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | - |
| Mobile Hotspot | n/a | - | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
- | - |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | - |
| Ringer ID | n/a | Yes | Yes | - |
| Voice Dialing | n/a | - | Yes | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | - |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | Yes | - | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | 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 | - | - |
| Messaging | ||||
| Email Client | n/a | Yes | - | - |
| Instant Messaging | n/a | - | - | - |
| MMS | n/a | Yes | - | - |
| Text Messaging Templates | n/a | Yes | - | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - |
| Music Player | n/a | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | - |
| Calendar | n/a | Yes | Yes | - |
| To-Do List | n/a | - | Yes | - |
| Voice Memo | n/a | Yes | Yes | - |
| Software | ||||
| BREW | n/a | Yes | - | - |
| Games | n/a | Yes | Yes | - |
| Java (J2ME) | n/a | - | Yes | - |
| Voice | ||||
| Call Screening | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | Yes | - |
| Push-To-Talk | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | - |
| ZTE Obsidian | ZTE Z431 / Altair | Sanyo SCP-5400 / RL-2500 | Ericsson R278d | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Obsidian | ZTE Z431 / Altair | Sanyo SCP-5400 / RL-2500 | Ericsson R278d |
