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| Phone | Sony Ericsson K850 | Sharp Sidekick LX 2009 | ZTE Engage LT / Engage MT |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
3.2" diag. 16 : 9 |
4" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | ? | 1,250 mAh | 1,900 mAh |
| Processor | ? | ? | ? |
| RAM | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | 5 megapixel | 3 megapixel | 3 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | QVGA (320 x 240) | WVGA / 480p |
| Front Camera | - | - | Yes |
| Weight |
4.2 oz (119g) |
5.78 oz (164g) |
5.09 oz (144g) |
| Dimensions |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
4.78" x 2.54" x 0.46" (121 x 64 x 11.7 mm) |
| Form Factor | Slab | Swivel | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | HSDPA 3.6 | HSPA 7.2 | EVDO rA |
| Features | |||
| GPS / Location | - | Yes | n/a |
| Accessibility | |||
| Adjustable Text Size | - | Yes | n/a |
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
- |
| Multiple Languages | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes |
| Alerts | |||
| Ringer Profiles | Yes | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| USB | Yes | Yes |
Yes Micro-USB |
| Wi-Fi | - | - | Yes |
| Contacts | |||
| Picture ID | Yes | Yes | n/a |
| Ringer ID | Yes | Yes | n/a |
| Voice Dialing | Yes | - | n/a |
| Customization | |||
| Custom Graphics | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | n/a |
| Real-Music Ringers | Yes | Yes | n/a |
| Data & Network | |||
| Data Tethering | Yes | - | n/a |
| WAP / Web Browser | Yes | Yes | n/a |
| Input | |||
| Predictive Text Entry | Yes | - | n/a |
| Side Keys | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - |
| Touch Screen | - | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | Yes | Yes | n/a |
| Instant Messaging | - | Yes | n/a |
| MMS | Yes | Yes | n/a |
| Text Messaging Templates | Yes | Yes | n/a |
| Music | |||
| FM Radio | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes |
| Music Player | Yes | Yes | n/a |
| Photo & Video | |||
| Video Calling | Yes * | - | n/a |
| Productivity | |||
| Alarm | Yes | Yes | n/a |
| Calculator | Yes | - | n/a |
| Calendar | Yes | Yes | n/a |
| To-Do List | Yes | Yes | n/a |
| Voice Memo | Yes | - | n/a |
| Software | |||
| Games | Yes | Yes | n/a |
| Java (J2ME) | Yes | Yes | n/a |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Sony Ericsson K850 | Sharp Sidekick LX 2009 | ZTE Engage LT / Engage MT | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson K850 | Sharp Sidekick LX 2009 | ZTE Engage LT / Engage MT |
