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| Phone | Cricket Debut S2 / AT&T Calypso 4 | ZTE Z431 / Altair | ZTE Cymbal Z-320 / Cymbal LTE | Sanyo Zio by Kyocera |
| Current U.S. Carriers | AT&T | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.1" diag. 19.5 : 9 |
2.4" diag. 4 : 3 |
2.8" diag. 4 : 3 |
3.5" diag. 5 : 3 |
| Display Resolution & Type |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 3,000 mAh | 1,000 mAh | 1,500 mAh | 1,130 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761WB) | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | Qualcomm S1 MSM7627 |
| RAM | 3 GB | ? | 512 MB | ? |
| Storage | 64 GB | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | 8 megapixel | 2 megapixel | 2 megapixel | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | QVGA (320 x 240) | 720p HD | WVGA / 480p |
| Front Camera | 5 megapixel | - | - | - |
| Weight |
5.64 oz (160g) |
3.52 oz (100g) |
4.58 oz (130g) |
3.7 oz (105g) |
| Dimensions |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
4.25" x 2.18" x 0.72" (108 x 55 x 18.3 mm) |
4.57" x 2.31" x 0.48" (116 x 59 x 12.2 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
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| Data Technology | LTE (Cat 4) | ? | LTE (Cat 4) | EVDO rA |
| Features | ||||
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | Yes | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | Yes | 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 M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | - | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | 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 | n/a | Yes | - | n/a |
| Instant Messaging | n/a | - | - | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | Yes | - | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | n/a | Yes | Yes | n/a |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| BREW | n/a | Yes | - | n/a |
| Games | n/a | Yes | - | n/a |
| Voice | ||||
| HD Voice | Yes | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Cricket Debut S2 / AT&T Calypso 4 | ZTE Z431 / Altair | ZTE Cymbal Z-320 / Cymbal LTE | Sanyo Zio by Kyocera | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Cricket Debut S2 / AT&T Calypso 4 | ZTE Z431 / Altair | ZTE Cymbal Z-320 / Cymbal LTE | Sanyo Zio by Kyocera |
