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| Phone | ZTE Obsidian | Samsung Galaxy S II / SGH-i777 | LG Quantum | Cricket Debut S2 / AT&T Calypso 4 | Samsung Droid Charge |
| Current U.S. Carriers | (none) | (none) | (none) | AT&T | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
4.3" diag. 5 : 3 |
3.5" diag. 5 : 3 |
6.1" diag. 19.5 : 9 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
480 x 800 pixels (~267 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 1,800 mAh | 1,650 mAh | 1,500 mAh | 3,000 mAh | 1,500 mAh |
| Processor | 1 GHz MediaTek / MT6735M | 1.2 GHz Samsung Exynos dual-core | 1 GHz Qualcomm Snapdragon S1 QSD8250 | 2 GHz MediaTek Helio A22 (MT6761WB) | 1 GHz Samsung Hummingbird |
| RAM | 1 GB | ? | ? | 3 GB | ? |
| Storage | 8 GB | 16 GB | 16 GB | 64 GB | ? raw hardware |
| Main Camera | 5 megapixel | 8 megapixel | 5 megapixel | 8 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | 1080p HD | 720p HD | ? | 720p HD |
| Front Camera | 2 megapixel | 2 megapixel | - | 5 megapixel | 1 megapixel |
| Weight |
4.66 oz (132g) |
4.3 oz (122g) |
6.21 oz (176g) |
5.64 oz (160g) |
5.06 oz (144g) |
| Dimensions |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
4.7" x 2.34" x 0.6" (119 x 59 x 15.2 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
5.1" x 2.68" x 0.46" (130 x 68 x 11.7 mm) |
| Platform / OS | Android | Android | Windows | Android | Android |
| Network Bands |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
4G LTE: 13 CDMA: 850, 1900 |
| Data Technology | LTE (Cat 4) | HSPA+ 21 | HSPA 7.2 | LTE (Cat 4) | LTE (Cat 3) |
| Features | |||||
| Flashlight | Yes | - | - | Yes | - |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | Yes | - | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | - | Yes | Yes |
| Music | |||||
| FM Radio | - | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes | Yes |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | Yes |
| TV Output | - | Yes | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | Yes | - |
| Voice | |||||
| HD Voice | - | - | - | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| ZTE Obsidian | Samsung Galaxy S II / SGH-i777 | LG Quantum | Cricket Debut S2 / AT&T Calypso 4 | Samsung Droid Charge | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Obsidian | Samsung Galaxy S II / SGH-i777 | LG Quantum | Cricket Debut S2 / AT&T Calypso 4 | Samsung Droid Charge |
