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| Phone | AT&T Calypso | Ericsson R278d | Siemens M55 | Google Pixel 6a |
| Current U.S. Carriers | (none) | (none) | (none) |
TracFone Verizon |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 18 : 9 |
? | ? |
6.1" diag. 20 : 9 |
| Display Resolution & Type |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
101 x 80 pixels LCD (Color) |
1080 x 2400 pixels (~431 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 2,500 mAh | ? | 700 mAh | 4,410 mAh |
| Processor | 1.5 GHz MediaTek MT6739 | ? | ? | Google Tensor |
| RAM | 1 GB | ? | ? | 6 GB |
| Storage | 16 GB | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | 5 megapixel | - | - | 12 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | - | - | 4K UHD |
| Front Camera | 5 megapixel | - | - | 8 megapixel |
| Weight |
6 oz (170g) |
9.28 oz (263g) |
2.93 oz (83g) |
6.3 oz (179g) |
| Dimensions |
5.91" x 2.87" x 0.39" (150 x 73 x 9.9 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.98" x 1.81" x 0.83" (101 x 46 x 21.1 mm) |
6" x 2.8" x 0.35" (152 x 71 x 8.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
TDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 48, 66, 71, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | - | GPRS | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | - | Yes | n/a |
| Water-Resistant | - | - | - |
Yes IPX7 (snorkeling) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- | - |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | - | Yes |
| NFC | - | - | - | Yes |
| USB |
Yes USB Type C |
- | - |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 6E (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Voice Dialing | n/a | - | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | - | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | n/a |
| Dual-SIM | - | - | - | Yes |
| 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 |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | n/a | - | Yes | n/a |
| EMS / Picture Messaging | n/a | - | Yes | n/a |
| MMS | n/a | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Stereo Speakers | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | - | n/a |
| Calendar | n/a | - | Yes | n/a |
| Software | ||||
| Games | n/a | - | Yes | n/a |
| Java (J2ME) | n/a | - | Yes | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| AT&T Calypso | Ericsson R278d | Siemens M55 | Google Pixel 6a | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Calypso | Ericsson R278d | Siemens M55 | Google Pixel 6a |
