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| Phone | Samsung SCH-A570 | Motorola RIZR Z3 | LG Optimus L90 | Huawei M750 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
4.7" diag. 16 : 9 |
2.8" diag. 4 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
540 x 960 pixels (~234 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~143 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 780 mAh | 2,460 mAh | 1,150 mAh |
| Processor | ? | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8226 | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 8 GB | ? raw hardware |
| Main Camera | - | 2 megapixel | 5 megapixel | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 1080p HD | - |
| Front Camera | - | - | Yes | - |
| Weight |
3.6 oz (102g) |
3.92 oz (111g) |
4.37 oz (124g) |
3.92 oz (111g) |
| Dimensions |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
4.15" x 1.79" x 0.65" (105 x 45 x 16.5 mm) |
5.18" x 2.6" x 0.38" (132 x 66 x 9.7 mm) |
4.21" x 2.25" x 0.59" (107 x 57 x 14.9 mm) |
| Form Factor | Clamshell | Slide | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1700, 1900 |
| Data Technology | 1xRTT | EDGE | HSPA+ 21 | 1xRTT |
| Features | ||||
| Flashlight | - | - | Yes | - |
| GPS / Location | Yes | - | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | - | n/a | - |
| Hearing Aid Compatible | - | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | Yes | n/a | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | - |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Infrared (IR) | - | - | Yes | - |
| Mobile Hotspot | - | - | n/a | - |
| USB | - |
Yes Mini-USB |
Yes | Yes |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | - | Yes | n/a | Yes |
| Ringer ID | - | Yes | n/a | Yes |
| Voice Dialing | Yes | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | Yes |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | - | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | - | Yes | n/a | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | Yes | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | - | Yes |
| Touch Screen | - | - |
Yes Capacitive |
Yes Resistive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | Yes * | n/a | Yes |
| EMS / Picture Messaging | Yes | Yes | n/a | - |
| Instant Messaging | - | Yes | n/a | Yes |
| MMS | - | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | - | Yes | n/a | 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 | - |
| Voice Memo | Yes | Yes | n/a | Yes |
| Software | ||||
| BREW | Yes | - | n/a | Yes |
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | - | Yes | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | Yes | - | n/a | - |
| Speaker Phone | - | Yes | Yes | Yes |
| * Some versions only | ||||
| Samsung SCH-A570 | Motorola RIZR Z3 | LG Optimus L90 | Huawei M750 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A570 | Motorola RIZR Z3 | LG Optimus L90 | Huawei M750 |
