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| Phone | Samsung Jack i637 | Siemens A56 / A56i | LG Q70 | Samsung SCH-A645 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
? |
6.4" diag. 19.5 : 9 |
? |
| Display Resolution & Type |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
101 x 64 pixels |
1080 x 2310 pixels (~398 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | 1,480 mAh | 700 mAh | 4,000 mAh | 1,000 mAh |
| Processor | ? | ? | 2 GHz Qualcomm Snapdragon 675 (SM6150) | ? |
| RAM | ? | ? | 4 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 64 GB | ? raw hardware |
| Main Camera | 3 megapixel | - | 32 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | 4K UHD | - |
| Front Camera | - | - | 16 megapixel | - |
| Weight |
3.6 oz (102g) |
3 oz (85g) |
6.98 oz (198g) |
3.2 oz (91g) |
| Dimensions |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
6.38" x 3.02" x 0.32" (162 x 77 x 8.1 mm) |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | Windows Mobile Standard | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | HSDPA 3.6 | - | LTE (Cat 12) | 1xRTT |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | Yes | n/a | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | - | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| NFC | - | - | Yes | - |
| USB | Yes | - |
Yes USB Type C |
- |
| Wi-Fi |
Yes 802.11 b,g |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | - |
| Voice Dialing | n/a | - | n/a | Yes |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes * |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | - |
| EMS / Picture Messaging | n/a | Yes | n/a | Yes |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | - | n/a | - |
| Text Messaging Templates | n/a | - | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | n/a | - | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | - | n/a | Yes |
| To-Do List | n/a | - | n/a | Yes |
| Voice Memo | n/a | - | n/a | Yes |
| Software | ||||
| BREW | n/a | - | n/a | Yes * |
| Games | n/a | Yes | n/a | Yes * |
| Java (J2ME) | n/a | - | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | - | n/a | Yes |
| Speaker Phone | Yes | - | Yes | Yes |
| * Some versions only | ||||
| Samsung Jack i637 | Siemens A56 / A56i | LG Q70 | Samsung SCH-A645 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Jack i637 | Siemens A56 / A56i | LG Q70 | Samsung SCH-A645 |
