Compare Phones
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| Phone | AT&T Calypso | Ericsson R278d | Samsung Galaxy S II / SGH-i777 | OnePlus 10 Pro |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
5.5" diag. 18 : 9 |
? |
4.3" diag. 5 : 3 |
6.7" diag. 20 : 9 |
| Display Resolution & Type |
480 x 960 pixels (~195 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
480 x 800 pixels (~217 ppi) AMOLED |
1440 x 3216 pixels (~526 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz | 120 Hz |
| Battery | 2,500 mAh | ? | 1,650 mAh | 5,000 mAh |
| Processor | 1.5 GHz MediaTek MT6739 | ? | 1.2 GHz Samsung Exynos dual-core | Snapdragon 8 Gen 1 |
| RAM | 1 GB | ? | ? | 8 GB * |
| Storage | 16 GB | ? raw hardware | 16 GB | 128 GB * |
| Main Camera | 5 megapixel | - | 8 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 50 megapixel |
| Tele Camera | - | - | - | 8 megapixel |
| Video Capture | 1080p HD | - | 1080p HD | 8K |
| Front Camera | 5 megapixel | - | 2 megapixel | 32 megapixel |
| Weight |
6 oz (170g) |
9.28 oz (263g) |
4.3 oz (122g) |
7.07 oz (200g) |
| 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) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
6.42" x 2.91" x 0.34" (163 x 74 x 8.6 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | 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 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 20, 25, 28, 30, 38, 41, 66, 71, 77-C 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8, 19 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 4) | - | HSPA+ 21 | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | - | n/a | n/a |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3 (mostly 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 |
| Mobile Hotspot | n/a | - | n/a | n/a |
| NFC | - | - | Yes | Yes |
| USB |
Yes USB Type C |
- |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 4 (802.11 a,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | - | n/a | n/a |
| Ringer ID | n/a | - | n/a | n/a |
| Voice Dialing | n/a | - | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | - | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | - | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| 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 |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | - | n/a | n/a |
| Text Messaging Templates | n/a | - | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | - | n/a | n/a |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | - | n/a | n/a |
| Calendar | n/a | - | n/a | n/a |
| Voice Memo | n/a | - | n/a | n/a |
| Software | ||||
| Games | n/a | - | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| AT&T Calypso | Ericsson R278d | Samsung Galaxy S II / SGH-i777 | OnePlus 10 Pro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Calypso | Ericsson R278d | Samsung Galaxy S II / SGH-i777 | OnePlus 10 Pro |
