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| Phone | Siemens A56 / A56i | LG AX-490 | Samsung Jack i637 | 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 |
? |
| Display Resolution & Type | 101 x 64 pixels |
128 x 160 pixels LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 700 mAh | 1,100 mAh | 1,480 mAh | 1,000 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | - | Yes | 3 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | ? | - |
| Front Camera | - | - | - | - |
| Weight |
3 oz (85g) |
3.79 oz (107g) |
3.6 oz (102g) |
3.2 oz (91g) |
| Dimensions |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
4.4" x 2.4" x 0.5" (112 x 61 x 12.7 mm) |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Clamshell |
| Platform / OS | (proprietary) | (proprietary) | Windows Mobile Standard | (proprietary) |
| Network Bands |
GSM: 850, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
| Data Technology | - | 1xRTT | HSDPA 3.6 | 1xRTT |
| Features | ||||
| GPS / Location | Yes | Yes | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | - | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | Yes |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| USB | - | Yes | Yes | - |
| Wi-Fi | - | - |
Yes 802.11 b,g |
- |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | - |
| Voice Dialing | - | Yes | n/a | Yes |
| Customization | ||||
| Changeable Body Plates | Yes | - | - | - |
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes * |
| Input | ||||
| Predictive Text Entry | Yes | - | n/a | Yes |
| Side Keys | - | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | - | - | Yes | - |
| Messaging | ||||
| Email Client | - | - | n/a | - |
| EMS / Picture Messaging | Yes | - | n/a | Yes |
| Instant Messaging | - | - | n/a | - |
| MMS | - | Yes | n/a | - |
| Text Messaging Templates | - | Yes | n/a | Yes |
| Music | ||||
| Music Player | - | - | n/a | - |
| Stereo Speakers | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | - | Yes | n/a | Yes |
| To-Do List | - | - | n/a | Yes |
| Voice Memo | - | Yes | n/a | Yes |
| Software | ||||
| BREW | - | Yes | n/a | Yes * |
| Games | Yes | Yes | n/a | Yes * |
| Java (J2ME) | - | - | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | - | Yes | n/a | Yes |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Siemens A56 / A56i | LG AX-490 | Samsung Jack i637 | Samsung SCH-A645 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Siemens A56 / A56i | LG AX-490 | Samsung Jack i637 | Samsung SCH-A645 |
