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| Phone | ZTE Obsidian | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S II / SGH-i777 | LG G Flex (U.S. GSM) |
| Current U.S. Carriers | (none) | AT&T | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
6.1" diag. 19.5 : 9 |
4.3" diag. 5 : 3 |
6" diag. 16 : 9 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
720 x 1560 pixels (~282 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
720 x 1280 pixels (~245 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Battery | 1,800 mAh | 3,000 mAh | 1,650 mAh | 3,500 mAh |
| Processor | 1 GHz MediaTek / MT6735M | 2 GHz MediaTek Helio A22 (MT6761WB) | 1.2 GHz Samsung Exynos dual-core | 2.3 GHz Qualcomm Snapdragon 800 |
| RAM | 1 GB | 3 GB | ? | 2 GB |
| Storage | 8 GB | 64 GB | 16 GB | 32 GB |
| Main Camera | 5 megapixel | 8 megapixel | 8 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | ? | 1080p HD | 4K UHD |
| Front Camera | 2 megapixel | 5 megapixel | 2 megapixel | 2 megapixel |
| Weight |
4.66 oz (132g) |
5.64 oz (160g) |
4.3 oz (122g) |
6.24 oz (177g) |
| Dimensions |
5.41" x 2.7" x 0.39" (137 x 69 x 10 mm) |
6.11" x 2.87" x 0.34" (155 x 73 x 8.6 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
6.32" x 3.21" x 0.31" (160 x 82 x 8 mm) |
| Platform / OS | Android | Android | Android | Android |
| Network Bands |
4G LTE: 2, 4, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30, 66 WCDMA: 1, 2, 4, 5, 8 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 4) | LTE (Cat 4) | HSPA+ 21 | LTE (Cat 4) |
| Features | ||||
| Flashlight | Yes | Yes | - | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | - | - | - | Yes |
| NFC | - | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | Yes |
| Miracast | - | - | - | Yes |
| TV Output | - | - | Yes | Yes |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | Yes * |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Obsidian | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S II / SGH-i777 | LG G Flex (U.S. GSM) | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Obsidian | Cricket Debut S2 / AT&T Calypso 4 | Samsung Galaxy S II / SGH-i777 | LG G Flex (U.S. GSM) |
