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| Phone | ZTE Warp Sync | ZTE Z431 / Altair | Cricket Debut S2 / AT&T Calypso 4 | OnePlus 7T Pro 5G McLaren |
| Current U.S. Carriers | (none) | (none) | AT&T | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5" diag. 16 : 9 |
2.4" diag. 4 : 3 |
6.1" diag. 19.5 : 9 |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
1440 x 3120 pixels (~515 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz | 90 Hz |
| Battery | 2,300 mAh | 1,000 mAh | 3,000 mAh | 4,085 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon MSM8960 | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | 3 GHz Qualcomm Snapdragon 855+ |
| RAM | 2 GB | ? | 3 GB | 12 GB |
| Storage | 8 GB | ? raw hardware | 64 GB | 256 GB |
| Main Camera | 8 megapixel | 2 megapixel | 8 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | 8 megapixel |
| Video Capture | 720p HD | QVGA (320 x 240) | ? | 4K UHD |
| Front Camera | 2 megapixel | - | 5 megapixel | 16 megapixel |
| Weight |
5.75 oz (163g) |
3.52 oz (100g) |
5.64 oz (160g) |
7.26 oz (206g) |
| Dimensions |
5.6" x 2.9" x 0.4" (142 x 74 x 10.2 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
6.4" x 2.98" x 0.34" (163 x 76 x 8.6 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android |
| Network Bands |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
5G: 41, 71 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | ? | LTE (Cat 4) | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | 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 USB Type C |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | 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 | - |
| Messaging | ||||
| Email Client | n/a | Yes | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - |
| Music Player | n/a | Yes | n/a | n/a |
| Stereo Speakers | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | Yes | n/a | n/a |
| Software | ||||
| BREW | n/a | Yes | n/a | n/a |
| Games | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Warp Sync | ZTE Z431 / Altair | Cricket Debut S2 / AT&T Calypso 4 | OnePlus 7T Pro 5G McLaren | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Warp Sync | ZTE Z431 / Altair | Cricket Debut S2 / AT&T Calypso 4 | OnePlus 7T Pro 5G McLaren |
