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| Phone | Samsung SGH-X820 | LG AX-390 / UX-390 | HTC EVO Design 4G / Hero S (CDMA) |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size | ? | ? |
4" diag. 16 : 9 |
| Display Resolution & Type |
220 x 176 pixels LCD (TFT/TFD) |
128 x 128 pixels LCD (STN) |
540 x 960 pixels (~275 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz |
| Battery | 650 mAh | 1,000 mAh | 1,520 mAh |
| Processor | ? | ? | 1.2 GHz Qualcomm Snapdragon S2 MSM8655 |
| RAM | ? | ? | 768 MB |
| Storage | ? raw hardware | ? raw hardware | 4 GB |
| Main Camera | 2 megapixel | - | 5 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | ? | - | 720p HD |
| Front Camera | - | - | 1 megapixel |
| Weight |
2.33 oz (66g) |
3.74 oz (106g) |
5.22 oz (148g) |
| Dimensions |
4.45" x 1.97" x 0.27" (113 x 50 x 6.9 mm) |
3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm) |
4.78" x 2.44" x 0.46" (122 x 62 x 11.8 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | EDGE | 1xRTT | WiMAX |
| Features | |||
| Flashlight | - | - | Yes |
| GPS / Location | - | Yes | n/a |
| Accessibility | |||
| Hearing Aid Compatible | - |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | Yes | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes |
| Alerts | |||
| Extra Display | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | - | Yes |
| Mobile Hotspot | - | - | n/a |
| 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 | |||
| External Antenna Jack | 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 |
| Messaging | |||
| Email Client | Yes | - | n/a |
| EMS / Picture Messaging | Yes | - | n/a |
| Instant Messaging | - | - | n/a |
| MMS | Yes | Yes | n/a |
| Text Messaging Templates | Yes | - | n/a |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | - | - | Yes |
| Music Player | - | - | n/a |
| Photo & Video | |||
| DLNA | - | - | Yes |
| TV Output | 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 | - |
| Speaker Phone | Yes | Yes | Yes |
| Samsung SGH-X820 | LG AX-390 / UX-390 | HTC EVO Design 4G / Hero S (CDMA) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SGH-X820 | LG AX-390 / UX-390 | HTC EVO Design 4G / Hero S (CDMA) |
