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| Phone | BlackBerry 7750 | Samsung Freeform 4 / Comment 2 | ZTE Z998 / Unico LTE | Samsung SCH-A530 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
2.4" diag. 4 : 3 |
4.5" diag. 16 : 9 |
? |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
320 x 240 pixels (~167 ppi) LCD (Color) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 1,000 mAh | 2,070 mAh | ? |
| Processor | ? | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | ? |
| RAM | ? | ? | 1 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 4 GB | ? raw hardware |
| Main Camera | - | 2 megapixel | 5 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | QCIF (176 x 144) | 720p HD | - |
| Front Camera | - | - | 1 megapixel | - |
| Weight |
5.01 oz (142g) |
3.35 oz (95g) |
4.8 oz (136g) |
3 oz (85g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4.38" x 2.38" x 0.42" (111 x 60 x 10.7 mm) |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
3.18" x 1.67" x 0.9" (81 x 42 x 22.9 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell |
| Platform / OS | BlackBerry OS | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
CDMA: 850, 1700, 1900 |
CDMA: 850, 1900 |
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| Data Technology | 1xRTT | 1xRTT | LTE (Cat 3) | 1xRTT |
| Features | ||||
| GPS / Location | n/a | Yes | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | Yes | n/a | - |
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | - |
| Mobile Hotspot | n/a | - | n/a | - |
| USB | Yes |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi | - | - |
Yes 4 (802.11 b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | - | n/a | Yes |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | - | - |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | - |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | Yes | n/a | - |
| Text Messaging Templates | n/a | Yes | n/a | - |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | - |
| Music Player | n/a | Yes | n/a | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | - | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| BREW | n/a | Yes | n/a | Yes |
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | - |
| Voice | ||||
| Headset Jack (2.5 mm) | n/a | - | n/a | Yes |
| Speaker Phone | - | Yes | Yes | - |
| * Some versions only | ||||
| BlackBerry 7750 | Samsung Freeform 4 / Comment 2 | ZTE Z998 / Unico LTE | Samsung SCH-A530 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Samsung Freeform 4 / Comment 2 | ZTE Z998 / Unico LTE | Samsung SCH-A530 |
