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| Phone | Samsung M520 | Samsung SCH-A990 | Red Hydrogen One | Motorola V710 | Siemens CF75 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
? |
5.7" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1440 x 2560 pixels (~515 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | ? | ? |
| Battery | ? | 1,000 mAh | 4,510 mAh | ? | 600 mAh |
| Processor | ? | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) | ? | ? |
| RAM | ? | ? | 6 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 3 megapixel | 12 megapixel | 1 megapixel | Yes |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | ? | ? | 4K UHD | ? | - |
| Front Camera | - | - | 8 megapixel | - | - |
| Weight |
2.75 oz (78g) |
4.4 oz (125g) |
9.63 oz (273g) |
4.06 oz (115g) |
3.17 oz (90g) |
| Dimensions |
4.01" x 2.04" x 0.5" (102 x 52 x 12.7 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.54" x 3.28" x 0.39" (166 x 83 x 10 mm) |
3.7" x 1.93" x 0.92" (94 x 49 x 23.4 mm) |
3.43" x 1.73" x 1.26" (87 x 44 x 32 mm) |
| Form Factor | Slide | Clamshell | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8, 19 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1800, 1900 |
| Data Technology | EVDO r0 | EVDO r0 | LTE (Cat 12) | 1xRTT | EDGE |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | - | - |
| GPS / Location | Yes | Yes | n/a | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3 (mostly compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | - | Yes | - | Yes | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Infrared (IR) | - | - | - | - | Yes |
| NFC | - | - | Yes | - | - |
| USB | Yes | Yes |
Yes USB Type C |
Yes * | Yes |
| Wi-Fi | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | Yes | n/a | Yes | - |
| Ringer ID | Yes | Yes | n/a | Yes | - |
| Voice Dialing | Yes | Yes | n/a | Yes | - |
| Customization | |||||
| Custom Graphics | Yes | Yes | n/a | Yes | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes | Yes |
| Real-Music Ringers | - | Yes | n/a | Yes | - |
| Data & Network | |||||
| Data Tethering | Yes | Yes | n/a | Yes | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | Yes | Yes | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | - | - | n/a | Yes * | Yes |
| EMS / Picture Messaging | - | Yes | n/a | Yes | Yes |
| MMS | - | Yes | n/a | Yes | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - | - |
| Music Player | Yes | Yes | n/a | Yes | - |
| Stereo Speakers | - | Yes | Yes | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | Yes | n/a | Yes | Yes |
| Calculator | Yes | Yes | n/a | Yes | Yes |
| Calendar | Yes | Yes | n/a | Yes | Yes |
| To-Do List | Yes | - | n/a | - | Yes |
| Voice Memo | Yes | Yes | n/a | Yes | Yes |
| Software | |||||
| BREW | - | Yes | n/a | Yes | - |
| Games | Yes | Yes | n/a | Yes | Yes |
| Java (J2ME) | Yes | - | n/a | - | Yes |
| Voice | |||||
| HD Voice | - | - | Yes | - | - |
| Headset Jack (2.5 mm) | - | - | n/a | Yes | - |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung M520 | Samsung SCH-A990 | Red Hydrogen One | Motorola V710 | Siemens CF75 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung M520 | Samsung SCH-A990 | Red Hydrogen One | Motorola V710 | Siemens CF75 |
