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| Phone | LG eXpo GW820 | Sony Ericsson Z310 | Sony Ericsson Z550a | Motorola KRZR K1 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
? |
1.9" diag. 4 : 3 |
? |
| Display Resolution & Type |
480 x 800 pixels (~292 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 1,500 mAh | ? | ? | 780 mAh |
| Processor | ? | ? | ? | ? |
| RAM | ? | ? | ? | ? |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | Yes | 1 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | ? | ? |
| Front Camera | - | - | - | - |
| Weight |
5.2 oz (147g) |
3.2 oz (91g) |
3.26 oz (92g) |
3.6 oz (102g) |
| Dimensions |
4.45" x 2.16" x 0.63" (113 x 55 x 16 mm) |
3.4" x 1.8" x 1" (86 x 46 x 25.4 mm) |
3.43" x 1.77" x 0.79" (87 x 45 x 20.1 mm) |
4.05" x 1.65" x 0.63" (103 x 42 x 16 mm) |
| Form Factor | Slab | Clamshell | Clamshell | Clamshell |
| Platform / OS | Windows Mobile Professional | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | EDGE | GPRS | EDGE |
| Features | ||||
| Fingerprint Reader | Yes | - | - | - |
| GPS / Location | n/a | - | - | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | - | - |
| Hearing Aid Compatible | - | Yes | - | - |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | Yes | Yes |
| Ringer Profiles | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes | Yes |
Yes Classic Audio |
| Infrared (IR) | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes | Yes | Yes |
| Wi-Fi |
Yes 802.11 b,g |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | Yes |
| Ringer ID | n/a | Yes | Yes | Yes |
| Voice Dialing | n/a | - | Yes | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | Yes | Yes |
| Real-Music Ringers | n/a | Yes | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | Yes | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | Yes | - | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | Yes | Yes |
| EMS / Picture Messaging | n/a | - | - | Yes |
| Instant Messaging | n/a | - | - | - |
| MMS | n/a | Yes | Yes | Yes |
| Text Messaging Templates | n/a | Yes | Yes | Yes |
| Music | ||||
| FM Radio | Yes | - | Yes | - |
| Music Player | n/a | - | Yes | Yes |
| Photo & Video | ||||
| TV Output | Yes | - | - | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | Yes | Yes | - |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| Games | n/a | Yes | Yes | Yes |
| Java (J2ME) | n/a | Yes | Yes | Yes |
| Voice | ||||
| Push-To-Talk | - | - | Yes * | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| LG eXpo GW820 | Sony Ericsson Z310 | Sony Ericsson Z550a | Motorola KRZR K1 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG eXpo GW820 | Sony Ericsson Z310 | Sony Ericsson Z550a | Motorola KRZR K1 |
