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| Phone | Samsung Galaxy A51 (4G) | Samsung BlackJack SGH-i607 | Samsung Galaxy S II / SGH-i777 | Alcatel Conquest |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
? |
4.3" diag. 5 : 3 |
5" diag. 16 : 9 |
| Display Resolution & Type |
1080 x 2400 pixels (~405 ppi) AMOLED |
320 x 240 pixels LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 4,000 mAh | 1,200 mAh | 1,650 mAh | 2,500 mAh |
| Processor | 2.3 GHz Samsung Exynos 9611 | ? | 1.2 GHz Samsung Exynos dual-core | 1.2 GHz Qualcomm Snapdragon 410 (MSM8916) |
| RAM | 4 GB | ? | ? | 1 GB |
| Storage | 128 GB | ? raw hardware | 16 GB | 8 GB |
| Main Camera | 48 megapixel | 1 megapixel | 8 megapixel | 5 megapixel |
| Wide Camera | 12 megapixel | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 4K UHD | QVGA (320 x 240) | 1080p HD | 720p HD |
| Front Camera | 32 megapixel | - | 2 megapixel | 2 megapixel |
| Weight |
6.07 oz (172g) |
3.74 oz (106g) |
4.3 oz (122g) |
4.94 oz (140g) |
| Dimensions |
6.24" x 2.89" x 0.31" (158 x 73 x 7.9 mm) |
4.45" x 2.32" x 0.46" (113 x 59 x 11.7 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
5.64" x 2.89" x 0.36" (143 x 73 x 9.1 mm) |
| Platform / OS | Android | Windows Mobile Standard | Android | Android |
| Network Bands |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 26, 28, 30, 41, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 25, 26, 41 CDMA: 800, 850, 1900 |
| Data Technology | LTE (Cat 12) | HSDPA 1.8 | HSPA+ 21 | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader |
Yes in-display (optical) |
- | - | - |
| Flashlight | Yes | - | - | - |
| Water-Resistant | - | - | - |
Yes IPX7 (snorkeling) |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
- |
Yes M3 (mostly compatible) |
Yes M4, T4 (very tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| MirrorLink | Yes | - | - | - |
| NFC | Yes | - | Yes | - |
| USB |
Yes USB Type C |
Yes |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
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 |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | - | Yes |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | Yes | - | - | - |
| Voice | ||||
| HD Voice | Yes | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Samsung Galaxy A51 (4G) | Samsung BlackJack SGH-i607 | Samsung Galaxy S II / SGH-i777 | Alcatel Conquest | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy A51 (4G) | Samsung BlackJack SGH-i607 | Samsung Galaxy S II / SGH-i777 | Alcatel Conquest |
