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| Phone | Samsung Galaxy S II / SGH-i777 | Samsung SCH-A990 | CAT S61 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.3" diag. 5 : 3 |
? |
5.2" diag. 16 : 9 |
| Display Resolution & Type |
480 x 800 pixels (~217 ppi) AMOLED |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz |
| Battery | 1,650 mAh | 1,000 mAh | 4,500 mAh |
| Processor | 1.2 GHz Samsung Exynos dual-core | ? | 2.2 GHz Qualcomm Snapdragon 630 |
| RAM | ? | ? | 4 GB |
| Storage | 16 GB | ? raw hardware | 64 GB |
| Main Camera | 8 megapixel | 3 megapixel | 16 megapixel |
| Wide Camera | - | - | - |
| Tele Camera | - | - | - |
| Video Capture | 1080p HD | ? | 4K UHD |
| Front Camera | 2 megapixel | - | 8 megapixel |
| Weight |
4.3 oz (122g) |
4.4 oz (125g) |
9.03 oz (256g) |
| Dimensions |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
5.91" x 2.99" x 0.51" (150 x 76 x 13 mm) |
| Form Factor | Slab | Clamshell | Slab |
| Platform / OS | Android | (proprietary) | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 25, 26, 28, 29, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
| Data Technology | HSPA+ 21 | EVDO r0 | LTE (Cat 13) |
| Features | |||
| Barometer | - | - | Yes |
| Flashlight | - | Yes | Yes |
| GPS / Location | n/a | Yes | n/a |
| Ruggedized | - | - | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3 (mostly compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - |
| Alerts | |||
| Extra Display | - | Yes | - |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a |
| NFC | Yes | - | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 a,b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||
| Picture ID | n/a | Yes | n/a |
| Ringer ID | n/a | Yes | n/a |
| Voice Dialing | n/a | Yes | n/a |
| Customization | |||
| Custom Graphics | n/a | Yes | n/a |
| Custom Ringtones | n/a | Yes | n/a |
| Real-Music Ringers | n/a | Yes | n/a |
| Data & Network | |||
| Data Tethering | n/a | Yes | n/a |
| Dual-SIM | - | - | Yes * |
| WAP / Web Browser | n/a | Yes | n/a |
| Input | |||
| Predictive Text Entry | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- | Yes |
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes |
| Messaging | |||
| Email Client | n/a | - | n/a |
| EMS / Picture Messaging | n/a | Yes | n/a |
| Instant Messaging | n/a | - | n/a |
| MMS | n/a | Yes | n/a |
| Text Messaging Templates | n/a | Yes | n/a |
| Music | |||
| FM Radio | - | - | Yes |
| Headphone Jack (3.5mm) | Yes | - | Yes |
| Music Player | n/a | Yes | n/a |
| Stereo Speakers | - | Yes | - |
| Photo & Video | |||
| DLNA | Yes | - | - |
| TV Output | Yes | Yes | - |
| Power | |||
| Fast Charging | - | - | Yes |
| Productivity | |||
| Alarm | n/a | Yes | n/a |
| Calculator | n/a | Yes | n/a |
| Calendar | n/a | Yes | n/a |
| Voice Memo | n/a | Yes | n/a |
| Software | |||
| BREW | n/a | Yes | n/a |
| Games | n/a | Yes | n/a |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| * Some versions only | |||
| Samsung Galaxy S II / SGH-i777 | Samsung SCH-A990 | CAT S61 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung Galaxy S II / SGH-i777 | Samsung SCH-A990 | CAT S61 |
