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| Phone | Samsung UpStage M620 | Nokia Lumia 928 | BlackBerry 7750 | Nokia 6555 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.1" diag. 4 : 3 |
4.5" diag. 5 : 3 |
? |
2" diag. 4 : 3 |
| Display Resolution & Type |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
768 x 1280 pixels (~332 ppi) AMOLED |
240 x 240 pixels LCD (Color) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | ? |
| Battery | 620 mAh | 2,000 mAh | ? | 1,020 mAh |
| Processor | ? | 1.5 GHz Qualcomm Snapdragon S4 Plus MSM8960 | ? | ? |
| RAM | ? | 1 GB | ? | ? |
| Storage | ? raw hardware | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 1 megapixel | 8 megapixel | - | 1 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | 1080p HD | - | QCIF (176 x 144) |
| Front Camera | - | 1 megapixel | - | - |
| Weight |
2.57 oz (73g) |
5.75 oz (163g) |
5.01 oz (142g) |
3.42 oz (97g) |
| Dimensions |
4.07" x 1.73" x 0.37" (103 x 44 x 9.4 mm) |
5.24" x 2.71" x 0.4" (133 x 69 x 10.1 mm) |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
3.92" x 1.74" x 0.77" (100 x 44 x 19.6 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | (proprietary) | Windows | BlackBerry OS | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 4, 13 WCDMA: 1, 2, 5, 8 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
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| Data Technology | EVDO r0 | LTE (Cat 3) | 1xRTT | WCDMA (UMTS) |
| Features | ||||
| GPS / Location | - | n/a | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | Yes | n/a | n/a | Yes |
| Hearing Aid Compatible |
Yes M4 (very compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | - | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | Yes | - | - | Yes |
| Ringer Profiles | - | - | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | - | Yes |
| Mobile Hotspot | - | n/a | n/a | - |
| NFC | - | Yes | - | - |
| USB | Yes |
Yes Micro-USB |
Yes |
Yes Micro-USB |
| Wi-Fi | - |
Yes 4 (802.11 a,b,g,n) |
- | - |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | Yes |
| Data & Network | ||||
| Data Tethering | - | n/a | n/a | Yes |
| External Antenna Jack | Yes | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen | - |
Yes Capacitive |
- | - |
| Memory | ||||
| Memory Card Slot | Yes | - | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | Yes |
| Instant Messaging | Yes | n/a | n/a | Yes |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | - | - |
| Music Player | Yes | n/a | n/a | Yes |
| Power | ||||
| Wireless Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | Yes |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes |
| Voice | ||||
| Headset Jack (2.5 mm) | - | n/a | n/a | Yes |
| Push-To-Talk | - | - | - | Yes * |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Samsung UpStage M620 | Nokia Lumia 928 | BlackBerry 7750 | Nokia 6555 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Samsung UpStage M620 | Nokia Lumia 928 | BlackBerry 7750 | Nokia 6555 |
