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| Phone | Nokia 6555 | Samsung SGH-A727 | Sony Ericsson K850 | Motorola Krave ZN4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2" diag. 4 : 3 |
? |
2.2" diag. 4 : 3 |
2.8" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
220 x 176 pixels LCD (TFT/TFD) |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
240 x 400 pixels (~167 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,020 mAh | ? | ? | 950 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 1 megapixel | 5 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | QCIF (176 x 144) | QCIF (176 x 144) | ? | QVGA (320 x 240) |
| Front Camera | - | - | - | - |
| Weight |
3.42 oz (97g) |
2.82 oz (80g) |
4.2 oz (119g) |
4.52 oz (128g) |
| Dimensions |
3.92" x 1.74" x 0.77" (100 x 44 x 19.6 mm) |
4.51" x 2.01" x 0.35" (115 x 51 x 8.9 mm) |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
4.12" x 2.01" x 0.74" (105 x 51 x 18.8 mm) |
| Form Factor | Clamshell | Slab | Slab | Flip |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | WCDMA (UMTS) | HSDPA 1.8 | HSDPA 3.6 | EVDO r0 |
| Features | ||||
| GPS / Location | - | - | - | Yes |
| Accessibility | ||||
| Adjustable Text Size | Yes | - | - | - |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- | - |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
| Contacts | ||||
| Picture ID | Yes | Yes | Yes | Yes |
| Ringer ID | Yes | Yes | Yes | Yes |
| Voice Dialing | Yes | - | Yes | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | Yes | Yes |
| Custom Ringtones | Yes | Yes | Yes | Yes |
| Real-Music Ringers | Yes | Yes | Yes | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | Yes |
| WAP / Web Browser | Yes | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | Yes | Yes | Yes |
| EMS / Picture Messaging | - | - | - | Yes |
| Instant Messaging | Yes | Yes | - | Yes |
| MMS | Yes | Yes | Yes | Yes |
| Text Messaging Templates | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | Yes | Yes | Yes | Yes |
| Photo & Video | ||||
| Video Calling | - | - | Yes * | - |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | Yes |
| Calculator | Yes | Yes | Yes | Yes |
| Calendar | Yes | Yes | Yes | Yes |
| To-Do List | Yes | Yes | Yes | - |
| Voice Memo | Yes | Yes | Yes | Yes |
| Software | ||||
| BREW | - | - | - | Yes |
| Games | Yes | Yes | Yes | Yes |
| Java (J2ME) | Yes | Yes | Yes | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | - | - |
| Push-To-Talk | Yes * | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Nokia 6555 | Samsung SGH-A727 | Sony Ericsson K850 | Motorola Krave ZN4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia 6555 | Samsung SGH-A727 | Sony Ericsson K850 | Motorola Krave ZN4 |
