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| Phone | Samsung SCH-A645 | Nokia Lumia 900 | Samsung Galaxy Note II (Verizon) | Nokia Lumia 810 | Motorola Backflip |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4.3" diag. 5 : 3 |
5.5" diag. 16 : 9 |
4.3" diag. 5 : 3 |
3.1" diag. 5 : 3 |
| Display Resolution & Type |
128 x 160 pixels LCD (STN) |
480 x 800 pixels (~217 ppi) AMOLED |
720 x 1280 pixels (~267 ppi) AMOLED |
480 x 800 pixels (~217 ppi) AMOLED |
320 x 480 pixels (~186 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,000 mAh | 1,830 mAh | 3,100 mAh | 1,800 mAh | 1,400 mAh |
| Processor | ? | 1.4 GHz Qualcomm S2 APQ8055 | 1.6 GHz Samsung Exynos | 1.5 GHz Qualcomm Snapdragon | 528 MHz Qualcomm MSM7201a |
| RAM | ? | 512 MB | 2 GB | 1 GB | ? |
| Storage | ? raw hardware | 16 GB | 16 GB | 8 GB | ? raw hardware |
| Main Camera | - | 8 megapixel | 8 megapixel | 8 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | 1080p HD | 1080p HD | CIF (352 x 288) |
| Front Camera | - | 1 megapixel | 2 megapixel | 1 megapixel | - |
| Weight |
3.2 oz (91g) |
5.6 oz (159g) |
6.35 oz (180g) |
5.11 oz (145g) |
4.7 oz (133g) |
| Dimensions |
3.54" x 1.79" x 0.94" (90 x 45 x 23.9 mm) |
5.03" x 2.7" x 0.45" (128 x 69 x 11.4 mm) |
5.94" x 3.16" x 0.38" (151 x 80 x 9.7 mm) |
5" x 2.69" x 0.44" (127 x 68 x 11.2 mm) |
4.25" x 2.09" x 0.6" (108 x 53 x 15.3 mm) |
| Form Factor | Clamshell | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Windows | Android | Windows | Android |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
4G LTE: 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | 1xRTT | LTE (Cat 3) | LTE (Cat 3) | HSPA+ 42 | HSPA 7.2 |
| Features | |||||
| GPS / Location | Yes | n/a | n/a | n/a | n/a |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes |
| Multiple Languages | Yes | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | - |
| Alerts | |||||
| Extra Display | Yes | - | - | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | Yes | Yes | - |
| USB | - |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi | - | Yes |
Yes 4 (802.11 a,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
Yes 802.11 b,g |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | Yes | n/a | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | n/a |
| WAP / Web Browser | Yes * | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - | - |
| Text Keyboard, Hardware | - | - | - | - | Yes |
| Touch Screen | - | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | - | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| EMS / Picture Messaging | Yes | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a | n/a |
| Text Messaging Templates | Yes | n/a | n/a | n/a | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | Yes | - | - |
| TV Output | - | - | Yes | - | - |
| Power | |||||
| Wireless Charging | - | - | - | Yes | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | Yes | n/a | n/a | n/a | n/a |
| To-Do List | Yes | n/a | n/a | n/a | n/a |
| Voice Memo | Yes | n/a | n/a | n/a | n/a |
| Software | |||||
| BREW | Yes * | n/a | n/a | n/a | n/a |
| Games | Yes * | n/a | n/a | n/a | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| Samsung SCH-A645 | Nokia Lumia 900 | Samsung Galaxy Note II (Verizon) | Nokia Lumia 810 | Motorola Backflip | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung SCH-A645 | Nokia Lumia 900 | Samsung Galaxy Note II (Verizon) | Nokia Lumia 810 | Motorola Backflip |
