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| Phone | ZTE Z431 / Altair | Visible Midnight | HTC Desire 520 | Samsung SGH-T229 | Motorola Quantico V840 / W845 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
6.5" diag. 20 : 9 |
4.5" diag. 16 : 9 |
1.7" diag. 4 : 3 |
2.2" diag. 4 : 3 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~121 ppi) LCD (STN) |
176 x 220 pixels (~128 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,000 mAh | 4,000 mAh | 2,000 mAh | 800 mAh | 1,170 mAh |
| Processor | ? | MediaTek Helio P22 (MT6762) | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | ? |
| RAM | ? | 3 GB | 1 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | 8 GB | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 13 megapixel | 8 megapixel | Yes | 1 megapixel |
| Wide Camera | - | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 1080p HD | 720p HD | - | QCIF (176 x 144) |
| Front Camera | - | 8 megapixel | 2 megapixel | - | - |
| Weight |
3.52 oz (100g) |
6.35 oz (180g) |
4.9 oz (139g) |
3 oz (85g) |
4.2 oz (119g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
6.53" x 3" x 0.34" (166 x 76 x 8.6 mm) |
5.5" x 2.71" x 0.36" (140 x 69 x 9 mm) |
3.5" x 1.9" x 0.78" (89 x 48 x 19.8 mm) |
3.84" x 2.08" x 1" (98 x 53 x 25.4 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 7, 12, 13, 66 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | ? | LTE (Cat 4) | LTE (Cat 3) | GPRS | EVDO r0 |
| Features | |||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | - | - |
| GPS / Location | Yes | n/a | n/a | - | Yes |
| Ruggedized | - | - | - | - | Yes |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | - | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | Yes |
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
- |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | - | n/a | n/a | - | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | Yes | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | - | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes * |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | - | Yes * |
| EMS / Picture Messaging | - | n/a | n/a | Yes | - |
| Instant Messaging | - | n/a | n/a | Yes | - |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | - | Yes |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| Power | |||||
| Wireless Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | Yes |
| Calculator | Yes | n/a | n/a | Yes | Yes |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | - | n/a | n/a | Yes | - |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | Yes | n/a | n/a | - | Yes |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | n/a | Yes | - |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | - | n/a | n/a | - | Yes |
| Push-To-Talk | - | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Z431 / Altair | Visible Midnight | HTC Desire 520 | Samsung SGH-T229 | Motorola Quantico V840 / W845 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Visible Midnight | HTC Desire 520 | Samsung SGH-T229 | Motorola Quantico V840 / W845 |
