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| Phone | Ericsson R278d | HTC Arrive / 7 Pro (CDMA) | OnePlus Open | Microsoft Lumia 735 (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
3.6" diag. 5 : 3 |
7.8" diag. 1 : 1 |
4.7" diag. 16 : 9 |
| Display Resolution & Type | 101 x 40 pixels |
480 x 800 pixels (~259 ppi) LCD (TFT/TFD) |
2268 x 2440 pixels (~426 ppi) AMOLED |
720 x 1280 pixels (~312 ppi) AMOLED |
| Display Refresh | ? | ? | 120 Hz | ? |
| Battery | ? | 1,500 mAh | 4,805 mAh | 2,200 mAh |
| Processor | ? | 1 GHz Qualcomm Snapdragon | Snapdragon 8 Gen 2 | 1.2 GHz Qualcomm Snapdragon 400 (MSM8926) |
| RAM | ? | ? | 16 GB | 1 GB |
| Storage | ? raw hardware | 16 GB | 512 GB | 16 GB |
| Main Camera | - | 5 megapixel | 48 megapixel | 5 megapixel |
| Wide Camera | - | - | 48 megapixel | - |
| Tele Camera | - | - | 64 megapixel | - |
| Video Capture | - | 720p HD | 4K UHD | 1080p HD |
| Front Camera | - | - | 32 megapixel | 5 megapixel |
| Weight |
9.28 oz (263g) |
6.5 oz (184g) |
8.43 oz (239g) |
4.7 oz (133g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
4.63" x 2.32" x 0.61" (118 x 59 x 15.5 mm) |
6.04" x 2.89" x 0.46" (153 x 73 x 11.7 mm) |
5.3" x 2.7" x 0.4" (135 x 69 x 10.2 mm) |
| Form Factor | Slab | Slide | Foldable | Slab |
| Platform / OS | (proprietary) | Windows | Android | Windows |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 30, 38, 40, 41, 66, 71, 75, 77-A, 77-C, 78 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 18, 19, 20, 25, 26, 28, 30, 32, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 6, 8, 19 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 13 WCDMA: 1, 2, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | EVDO rA | NR (5G) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | - | n/a | n/a | n/a |
| Water-Resistant | - | - |
Yes IPX4 (splash) |
- |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | n/a |
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes |
Yes Classic Audio |
| Mobile Hotspot | - | n/a | n/a | n/a |
| NFC | - | - | Yes | Yes |
| USB | - | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 7 (802.11 a,ac,ax,b,be,g,n) |
Yes 4 (802.11 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 | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | n/a |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | Yes | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | Yes | Yes | Yes |
| Memory | ||||
| Memory Card Slot | - | - | - | 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 |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | n/a | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| Miracast | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | Yes | n/a | 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 |
| Ericsson R278d | HTC Arrive / 7 Pro (CDMA) | OnePlus Open | Microsoft Lumia 735 (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | HTC Arrive / 7 Pro (CDMA) | OnePlus Open | Microsoft Lumia 735 (CDMA) |
