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| Phone | LG AX-390 / UX-390 | Samsung SGH-A657 | Samsung Galaxy Amp |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
4" diag. 5 : 3 |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
176 x 220 pixels LCD (TFT/TFD) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 1,000 mAh | 1,420 mAh | 1,500 mAh |
| Processor | ? | ? | 1 GHz STE U8420 |
| RAM | ? | ? | 1 GB |
| Storage | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | - | - | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | - | - | 720p HD |
| Front Camera | - | - | Yes |
| Weight |
3.74 oz (106g) |
4.34 oz (123g) |
4.41 oz (125g) |
| Dimensions |
3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm) |
4.53" x 2.05" x 0.77" (115 x 52 x 19.6 mm) |
4.84" x 2.48" x 0.43" (123 x 63 x 10.9 mm) |
| Form Factor | Clamshell | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | HSDPA 3.6 | HSPA 14.4 |
| Features | |||
| Flashlight | - | Yes | - |
| GPS / Location | Yes | Yes | n/a |
| Ruggedized | - | Yes | - |
| Accessibility | |||
| Adjustable Text Size | - | - | n/a |
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
- |
Yes M3, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes |
| Alerts | |||
| Extra Display | Yes | - | - |
| Connectivity | |||
| Bluetooth | - | Yes | Yes |
| USB | - | Yes |
Yes Micro-USB |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
| Contacts | |||
| Picture ID | Yes | Yes | n/a |
| Ringer ID | - | 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 | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen | - | - |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | - | Yes | Yes |
| Messaging | |||
| Email Client | - | Yes | n/a |
| Instant Messaging | - | Yes | n/a |
| MMS | Yes | Yes | n/a |
| Text Messaging Templates | - | Yes | n/a |
| Music | |||
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | - | Yes | n/a |
| Photo & Video | |||
| DLNA | - | - | Yes |
| Productivity | |||
| Alarm | Yes | Yes | n/a |
| Calculator | Yes | Yes | n/a |
| Calendar | Yes | Yes | n/a |
| To-Do List | - | Yes | n/a |
| Voice Memo | Yes | Yes | n/a |
| Software | |||
| BREW | Yes | - | n/a |
| Games | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | n/a |
| Voice | |||
| Headset Jack (2.5 mm) | Yes | - | n/a |
| Push-To-Talk | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes |
| LG AX-390 / UX-390 | Samsung SGH-A657 | Samsung Galaxy Amp | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG AX-390 / UX-390 | Samsung SGH-A657 | Samsung Galaxy Amp |
