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| Phone | Cal-Comp EZ | Ericsson R278d | 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 | ? | ? |
6.1" diag. 19.5 : 9 |
6.7" diag. 19.5 : 9 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
101 x 40 pixels |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
1440 x 3120 pixels (~515 ppi) AMOLED |
| Display Refresh | ? | ? | 60 Hz | 90 Hz |
| Battery | 800 mAh | ? | 3,000 mAh | 4,085 mAh |
| Processor | ? | ? | 2 GHz MediaTek Helio A22 (MT6761WB) | 3 GHz Qualcomm Snapdragon 855+ |
| RAM | ? | ? | 3 GB | 12 GB |
| Storage | ? raw hardware | ? raw hardware | 64 GB | 256 GB |
| Main Camera | - | - | 8 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 16 megapixel |
| Tele Camera | - | - | - | 8 megapixel |
| Video Capture | - | - | ? | 4K UHD |
| Front Camera | - | - | 5 megapixel | 16 megapixel |
| Weight |
2.47 oz (70g) |
9.28 oz (263g) |
5.64 oz (160g) |
7.26 oz (206g) |
| Dimensions |
4.04" x 1.71" x 0.63" (103 x 43 x 16 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 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 | (proprietary) | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
TDMA: 850, 1900 AMPS: 850 |
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 | 1xRTT | - | LTE (Cat 4) | NR (5G) |
| Features | ||||
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | Yes | - | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | - | - | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| NFC | - | - | - | Yes |
| USB |
Yes Mini-USB |
- |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Customization | ||||
| Custom Ringtones | - | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | n/a |
| Dual-SIM | - | - | - | Yes |
| WAP / Web Browser | - | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | - | Yes | n/a | n/a |
| Side Keys | - | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Text Messaging Templates | Yes | - | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Stereo Speakers | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | Yes |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | n/a |
| Calculator | Yes | - | n/a | n/a |
| Calendar | Yes | - | n/a | n/a |
| To-Do List | Yes | - | n/a | n/a |
| Voice Memo | Yes * | - | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Headset Jack (2.5 mm) | Yes | - | n/a | n/a |
| Speaker Phone | - | - | Yes | Yes |
| * Some versions only | ||||
| Cal-Comp EZ | Ericsson R278d | 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 | Cal-Comp EZ | Ericsson R278d | Cricket Debut S2 / AT&T Calypso 4 | OnePlus 7T Pro 5G McLaren |
