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| Phone | ZTE Z431 / Altair | Sony Xperia Z3 Compact | Nokia 2285 / 2275 | Cricket Debut S2 / AT&T Calypso 4 | ZTE Warp Sync |
| Current U.S. Carriers | (none) | (none) | (none) | AT&T | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
4.6" diag. 16 : 9 |
? |
6.1" diag. 19.5 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
96 x 65 pixels |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,000 mAh | 2,600 mAh | 850 mAh | 3,000 mAh | 2,300 mAh |
| Processor | ? | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | 1.2 GHz Qualcomm Snapdragon MSM8960 |
| RAM | ? | 2 GB | ? | 3 GB | 2 GB |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 64 GB | 8 GB |
| Main Camera | 2 megapixel | 20 megapixel | - | 8 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | - | ? | 720p HD |
| Front Camera | - | 2 megapixel | - | 5 megapixel | 2 megapixel |
| Weight |
3.52 oz (100g) |
4.55 oz (129g) |
3.49 oz (99g) |
5.64 oz (160g) |
5.75 oz (163g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
5" x 2.56" x 0.34" (127 x 65 x 8.6 mm) |
4.26" x 1.96" x 0.88" (108 x 50 x 22.4 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
5.6" x 2.9" x 0.4" (142 x 74 x 10.2 mm) |
| Form Factor | Slab | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
| Data Technology | ? | LTE (Cat 4) | 1xRTT | LTE (Cat 4) | LTE (Cat 4) |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | n/a | Yes * | n/a | n/a |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | - | Yes | Yes |
| Mobile Hotspot | - | n/a | - | n/a | n/a |
| NFC | - | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | Yes | n/a | - | n/a | n/a |
| Ringer ID | Yes | n/a | - | n/a | n/a |
| Voice Dialing | - | n/a | Yes | n/a | n/a |
| Customization | |||||
| Changeable Body Plates | - | - | Yes | - | - |
| Custom Graphics | Yes | n/a | - | n/a | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a | n/a |
| Real-Music Ringers | Yes | n/a | - | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | n/a | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Messaging | |||||
| Email Client | Yes | n/a | - | n/a | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a | n/a |
| Instant Messaging | - | n/a | - | n/a | n/a |
| MMS | Yes | n/a | - | n/a | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | Yes |
| Music Player | Yes | n/a | - | n/a | n/a |
| Stereo Speakers | - | Yes | - | - | - |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | Yes | - | - | - |
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | Yes | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | Yes | n/a | Yes | n/a | n/a |
| Calendar | Yes | n/a | Yes | n/a | n/a |
| To-Do List | - | n/a | Yes | n/a | n/a |
| Voice Memo | Yes | n/a | Yes | n/a | n/a |
| Software | |||||
| BREW | Yes | n/a | - | n/a | n/a |
| Games | Yes | n/a | Yes | n/a | n/a |
| Java (J2ME) | - | n/a | Yes | n/a | n/a |
| Voice | |||||
| Call Screening | - | Yes | - | - | - |
| HD Voice | - | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | - | Yes | Yes |
| * Some versions only | |||||
| ZTE Z431 / Altair | Sony Xperia Z3 Compact | Nokia 2285 / 2275 | Cricket Debut S2 / AT&T Calypso 4 | ZTE Warp Sync | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Sony Xperia Z3 Compact | Nokia 2285 / 2275 | Cricket Debut S2 / AT&T Calypso 4 | ZTE Warp Sync |
