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| Phone | LG Optimus S / Optimus U / Optimus V | Motorola A835 | ZTE Z221 | Motorola Droid 4 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.2" diag. 5 : 3 |
? |
2" diag. 4 : 3 |
4" diag. 16 : 9 |
| Display Resolution & Type |
320 x 480 pixels (~180 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~275 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | 60 Hz |
| Battery | 1,500 mAh | ? | 900 mAh | 1,785 mAh |
| Processor | 600 MHz Qualcomm S1 MSM7627 | ? | ? | ? |
| RAM | ? | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 142 MB | 16 GB |
| Main Camera | 3 megapixel | Yes | Yes | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | ? | QCIF (176 x 144) | 1080p HD |
| Front Camera | - | - | - | 1 megapixel |
| Weight |
4.6 oz (130g) |
5.93 oz (168g) |
3.24 oz (92g) |
6.31 oz (179g) |
| Dimensions |
4.47" x 2.32" x 0.52" (114 x 59 x 13.2 mm) |
5.4" x 2.2" x 1" (137 x 56 x 25.4 mm) |
3.76" x 1.92" x 0.73" (96 x 49 x 18.5 mm) |
5" x 2.65" x 0.5" (127 x 67 x 12.7 mm) |
| Form Factor | Slab | Slab | Clamshell | Slide |
| Platform / OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
WCDMA: 1 GSM: 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 13 CDMA: 850, 1900 |
| Data Technology | EVDO rA | GPRS | HSDPA 3.6 | LTE (Cat 3) |
| Features | ||||
| GPS / Location | n/a | Yes | Yes | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | - | Yes | n/a |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | - | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | Yes | - | - |
| Mobile Hotspot | n/a | - | - | n/a |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Micro-USB |
| Wi-Fi |
Yes 802.11 b,g |
- | - |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | - | n/a |
| Ringer ID | n/a | Yes | - | n/a |
| Voice Dialing | n/a | Yes | - | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | Yes | Yes | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | n/a |
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | - | Yes |
| Touch Screen |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | n/a | Yes | Yes | n/a |
| EMS / Picture Messaging | n/a | Yes | - | n/a |
| Instant Messaging | n/a | Yes | Yes | n/a |
| MMS | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | Yes |
| Music Player | n/a | Yes | - | n/a |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Video Calling | n/a | Yes | - | n/a |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | Yes | Yes | n/a |
| To-Do List | n/a | - | - | n/a |
| Voice Memo | n/a | Yes | Yes | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | Yes | Yes | n/a |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | Yes | - | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| LG Optimus S / Optimus U / Optimus V | Motorola A835 | ZTE Z221 | Motorola Droid 4 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG Optimus S / Optimus U / Optimus V | Motorola A835 | ZTE Z221 | Motorola Droid 4 |
