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| Phone | Sony Ericsson Z550a | Motorola KRZR K1 | Samsung Galaxy A01 | Samsung Flight A797 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
1.9" diag. 4 : 3 |
? |
5.7" diag. 19 : 9 |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~148 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1520 pixels (~295 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 780 mAh | 3,000 mAh | 1,000 mAh |
| Processor | ? | ? | 2 GHz Qualcomm Snapdragon 439 | ? |
| RAM | ? | ? | 2 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 16 GB | ? raw hardware |
| Main Camera | 1 megapixel | 2 megapixel | 13 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | ? | 1080p HD | QVGA (320 x 240) |
| Front Camera | - | - | 5 megapixel | - |
| Weight |
3.26 oz (92g) |
3.6 oz (102g) |
5.33 oz (151g) |
4.8 oz (136g) |
| Dimensions |
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) |
5.81" x 2.79" x 0.33" (147 x 71 x 8.3 mm) |
4.17" x 2.2" x 0.5" (106 x 56 x 12.7 mm) |
| Form Factor | Clamshell | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | GPRS | EDGE | LTE (Cat 4) | HSDPA 3.6 |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | - | - | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | Yes | - | - |
| Ringer Profiles | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| USB | Yes | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 a,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 |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | - | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | Yes | n/a | Yes |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen | - | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | Yes |
| EMS / Picture Messaging | - | Yes | n/a | - |
| Instant Messaging | - | - | n/a | Yes |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | - |
| Music Player | Yes | Yes | n/a | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | Yes | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | - | n/a | Yes |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | Yes * | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Sony Ericsson Z550a | Motorola KRZR K1 | Samsung Galaxy A01 | Samsung Flight A797 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson Z550a | Motorola KRZR K1 | Samsung Galaxy A01 | Samsung Flight A797 |
