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| Phone | LG Tritan AX-840 / UX-840 | Sony Ericsson Xperia X10 mini pro (2010) | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Motorola i830 / i833 / i835 / i836 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
3" diag. 5 : 3 |
2.6" diag. 4 : 3 |
4.5" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
240 x 400 pixels (~155 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~154 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
130 x 130 pixels LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | ? |
| Battery | 950 mAh | 930 mAh | 2,070 mAh | 1,000 mAh | ? |
| Processor | ? | 600 MHz Qualcomm S1 MSM7227 | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | ? | ? |
| RAM | ? | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | ? raw hardware | 4 GB | ? raw hardware | ? raw hardware |
| Main Camera | 3 megapixel | 5 megapixel | 5 megapixel | 3 megapixel | - |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | QVGA (320 x 240) | VGA (640 x 480) | 720p HD | ? | - |
| Front Camera | - | - | 1 megapixel | - | - |
| Weight |
5.03 oz (143g) |
4.2 oz (119g) |
4.8 oz (136g) |
4.4 oz (125g) |
3.94 oz (112g) |
| Dimensions |
4.45" x 2.24" x 0.65" (113 x 57 x 16.5 mm) |
3.5" x 2" x 0.7" (89 x 51 x 17.8 mm) |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
3.35" x 1.77" x 0.79" (85 x 45 x 20.1 mm) |
| Form Factor | Slide | Slide | Slab | Clamshell | Clamshell |
| Platform / OS | (proprietary) | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
iDEN: 800 |
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| Data Technology | EVDO r0 | HSPA 7.2 | LTE (Cat 3) | EVDO r0 | - |
| Features | |||||
| Flashlight | - | - | - | Yes | - |
| GPS / Location | Yes | n/a | n/a | Yes | Yes |
| Accessibility | |||||
| Adjustable Text Size | Yes | n/a | n/a | - | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | n/a | Yes | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | Yes |
| Ringer Profiles | - | - | - | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes | Yes |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
- | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | Yes | Yes |
| Ringer ID | Yes | n/a | n/a | Yes | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes | Yes |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | Yes | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes | Yes |
| Real-Music Ringers | Yes | n/a | n/a | Yes | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | Yes | Yes |
| WAP / Web Browser | Yes | n/a | n/a | Yes | Yes |
| Input | |||||
| Predictive Text Entry | - | n/a | n/a | Yes | Yes |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | - | - |
| Touch Screen | Yes |
Yes Capacitive |
Yes Capacitive |
- | - |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - |
| Messaging | |||||
| Email Client | Yes | n/a | n/a | - | - |
| EMS / Picture Messaging | - | n/a | n/a | Yes | - |
| Instant Messaging | Yes | n/a | n/a | - | - |
| MMS | Yes | n/a | n/a | Yes | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes | - |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | - | - |
| Music Player | Yes | n/a | n/a | Yes | - |
| Stereo Speakers | - | - | - | Yes | - |
| Photo & Video | |||||
| TV Output | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | Yes | - |
| Calculator | Yes | n/a | n/a | Yes | - |
| Calendar | Yes | n/a | n/a | Yes | Yes |
| To-Do List | - | n/a | n/a | - | - |
| Voice Memo | Yes | n/a | n/a | Yes | Yes |
| Software | |||||
| BREW | Yes | n/a | n/a | Yes | - |
| Games | Yes | n/a | n/a | Yes | Yes |
| Java (J2ME) | - | n/a | n/a | - | Yes |
| Voice | |||||
| Headset Jack (2.5 mm) | - | n/a | n/a | - | Yes |
| Push-To-Talk | - | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| LG Tritan AX-840 / UX-840 | Sony Ericsson Xperia X10 mini pro (2010) | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Motorola i830 / i833 / i835 / i836 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Tritan AX-840 / UX-840 | Sony Ericsson Xperia X10 mini pro (2010) | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Motorola i830 / i833 / i835 / i836 |
