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| Phone | ZTE Z331 | VK Mobile Kickflip | Motorola Moto z4 | Ericsson T66 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
6.4" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
176 x 220 pixels (~117 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 2340 pixels (~403 ppi) AMOLED |
? |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 950 mAh | ? | 3,600 mAh | ? |
| Processor | ? | ? | 2 GHz Qualcomm Snapdragon 675 | ? |
| RAM | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | 3 megapixel | 2 megapixel | 48 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | QCIF (176 x 144) | 4K UHD | - |
| Front Camera | - | - | 25 megapixel | - |
| Weight |
4 oz (113g) |
4.47 oz (127g) |
6 oz (170g) |
2.08 oz (59g) |
| Dimensions |
3.84" x 2.02" x 0.69" (98 x 51 x 17.5 mm) |
3.88" x 1.96" x 0.98" (99 x 50 x 24.9 mm) |
6.22" x 2.96" x 0.29" (158 x 75 x 7.4 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
| Form Factor | Clamshell | Swivel | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 28, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | EVDO r0 | LTE (Cat 12) | - |
| Features | ||||
| Fingerprint Reader | - | - | Yes | - |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | Yes | Yes | n/a | - |
| Water-Resistant | - | - | Yes | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| NFC | - | - | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
- |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | - |
| Ringer ID | Yes | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | - |
| External Antenna Jack | - | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | Yes | - | n/a | - |
| EMS / Picture Messaging | - | - | n/a | Yes |
| Instant Messaging | Yes | - | n/a | - |
| MMS | Yes | Yes | n/a | - |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | Yes | n/a | - |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | - | - | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | - |
| Software | ||||
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | - | Yes | n/a | - |
| Speaker Phone | Yes | Yes | Yes | - |
| ZTE Z331 | VK Mobile Kickflip | Motorola Moto z4 | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z331 | VK Mobile Kickflip | Motorola Moto z4 | Ericsson T66 |
