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| Phone | Ericsson R278d | Motorola Charm | Samsung SCH-A990 | Huawei Nexus 6P | ZTE Blade Z Max |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
2.8" diag. 4 : 3 |
? |
5.7" diag. 16 : 9 |
6" diag. 16 : 9 |
| Display Resolution & Type | 101 x 40 pixels |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) AMOLED |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | ? | 1,170 mAh | 1,000 mAh | 3,450 mAh | 4,080 mAh |
| Processor | ? | 720 MHz TI OMAP3410 | ? | 2 GHz Qualcomm Snapdragon 810 | 1.4 GHz Qualcomm Snapdragon 435 (MSM8940) |
| RAM | ? | ? | ? | 3 GB | 2 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB * | 32 GB |
| Main Camera | - | 3 megapixel | 3 megapixel | 12 megapixel | 16 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | ? | ? | 4K UHD | 1080p HD |
| Front Camera | - | - | - | 8 megapixel | 8 megapixel |
| Weight |
9.28 oz (263g) |
3.88 oz (110g) |
4.4 oz (125g) |
6.28 oz (178g) |
6.58 oz (186g) |
| Dimensions |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.27" x 3.06" x 0.29" (159 x 78 x 7.3 mm) |
6.51" x 3.28" x 0.33" (165 x 83 x 8.3 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android | Android |
| Network Bands |
TDMA: 850, 1900 AMPS: 850 |
CDMA: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 17, 25, 26, 29, 30, 41 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | - | HSDPA 3.6 | EVDO r0 | LTE (Cat 6) | LTE (Cat 6) |
| Features | |||||
| Fingerprint Reader | - | - | - | Yes |
Yes stand-alone |
| Flashlight | - | - | Yes | Yes | Yes |
| GPS / Location | - | n/a | Yes | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | - | n/a | n/a |
| Hearing Aid Compatible | - | - |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | Yes | - | - |
| Ringer Profiles | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | - | n/a | n/a |
| NFC | - | - | - | Yes | - |
| USB | - |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes USB Type C |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | |||||
| Picture ID | - | n/a | Yes | n/a | n/a |
| Ringer ID | - | n/a | Yes | n/a | n/a |
| Voice Dialing | - | n/a | Yes | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | Yes | n/a | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a | n/a |
| Real-Music Ringers | - | n/a | Yes | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | Yes | n/a | n/a |
| WAP / Web Browser | Yes | n/a | Yes | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - | - |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | - | Yes |
| Messaging | |||||
| Email Client | - | n/a | - | n/a | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a | n/a |
| Instant Messaging | - | n/a | - | n/a | n/a |
| MMS | - | n/a | Yes | n/a | n/a |
| Text Messaging Templates | - | n/a | Yes | n/a | n/a |
| Music | |||||
| FM Radio | - | - | - | - | Yes |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | Yes |
| Music Player | - | n/a | Yes | n/a | n/a |
| Stereo Speakers | - | - | Yes | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Fast Charging | - | - | - | Yes | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | Yes | n/a | n/a |
| Calculator | - | n/a | Yes | n/a | n/a |
| Calendar | - | n/a | Yes | n/a | n/a |
| Voice Memo | - | n/a | Yes | n/a | n/a |
| Software | |||||
| BREW | - | n/a | Yes | n/a | n/a |
| Games | - | n/a | Yes | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | Yes | Yes |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| Ericsson R278d | Motorola Charm | Samsung SCH-A990 | Huawei Nexus 6P | ZTE Blade Z Max | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R278d | Motorola Charm | Samsung SCH-A990 | Huawei Nexus 6P | ZTE Blade Z Max |
