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| Phone | ZTE Z431 / Altair | Motorola Moto Z2 Force | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Transform | Motorola C290 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
5.5" diag. 16 : 9 |
? |
3.5" diag. 5 : 3 |
? |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
1440 x 2560 pixels (~534 ppi) AMOLED |
176 x 220 pixels LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,000 mAh | 2,730 mAh | 820 mAh | 1,500 mAh | 1,020 mAh |
| Processor | ? | 2.4 GHz Qualcomm Snapdragon 835 (MSM8998) | ? | 800 MHz Samsung S3C6410, Qualcomm QSC6085 | ? |
| RAM | ? | 4 GB | ? | ? | ? |
| Storage | ? raw hardware | 64 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 2 megapixel | 12 megapixel | Yes | 3 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 4K UHD | ? | QVGA (320 x 240) | - |
| Front Camera | - | 5 megapixel | - | Yes | - |
| Weight |
3.52 oz (100g) |
5.04 oz (143g) |
4.23 oz (120g) |
5.37 oz (152g) |
3.53 oz (100g) |
| Dimensions |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
6.13" x 2.99" x 0.24" (156 x 76 x 6.1 mm) |
3.5" x 1.93" x 0.97" (89 x 49 x 24.6 mm) |
4.61" x 2.42" x 0.61" (117 x 61 x 15.5 mm) |
3.43" x 1.91" x 0.93" (87 x 49 x 23.6 mm) |
| Form Factor | Slab | Slab | Clamshell | Slide | Clamshell |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | ? | LTE (Cat 16) | EDGE | EVDO rA | 1xRTT |
| Features | |||||
| Barometer | - | Yes | - | - | - |
| Fingerprint Reader | - |
Yes stand-alone |
- | - | - |
| Flashlight | - | Yes | - | - | - |
| GPS / Location | Yes | n/a | - | n/a | Yes |
| VR-ready | - | Yes | - | - | - |
| Water-Resistant | - | Yes | - | - | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | Yes | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| NFC | - | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes |
Yes Micro-USB |
Yes Mini-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 | Yes | n/a | Yes |
| Ringer ID | Yes | n/a | Yes | n/a | Yes |
| Voice Dialing | - | n/a | Yes | n/a | - |
| Customization | |||||
| Custom Graphics | Yes | n/a | Yes | n/a | - |
| Custom Ringtones | Yes | n/a | Yes | n/a | - |
| Real-Music Ringers | Yes | n/a | Yes | n/a | Yes |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | n/a | - |
| Dual-SIM | - | Yes * | - | - | - |
| External Antenna Jack | - | n/a | - | n/a | Yes |
| WAP / Web Browser | Yes | n/a | Yes | n/a | Yes |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | Yes | n/a | - |
| EMS / Picture Messaging | - | n/a | Yes | n/a | - |
| Instant Messaging | - | n/a | Yes | n/a | - |
| MMS | Yes | n/a | Yes | n/a | - |
| Text Messaging Templates | Yes | n/a | Yes | n/a | Yes |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes | - |
| Music Player | Yes | n/a | - | n/a | - |
| Power | |||||
| Fast Charging | - | Yes | - | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | Yes |
| Calculator | Yes | n/a | Yes | n/a | Yes |
| Calendar | Yes | n/a | Yes | n/a | Yes |
| Voice Memo | Yes | n/a | Yes | n/a | Yes |
| Software | |||||
| BREW | Yes | n/a | - | n/a | - |
| Games | Yes | n/a | Yes | n/a | Yes |
| Java (J2ME) | - | n/a | Yes | n/a | Yes |
| Voice | |||||
| HD Voice | - | Yes | - | - | - |
| Headset Jack (2.5 mm) | - | n/a | Yes | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Z431 / Altair | Motorola Moto Z2 Force | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Transform | Motorola C290 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z431 / Altair | Motorola Moto Z2 Force | Motorola V551 / V330 / V547 / V555 / V557 | Samsung Transform | Motorola C290 |
