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| Phone | BlackBerry 7750 | Siemens A56 / A56i | Alcatel 665 | TCL 20 XE |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? |
1.8" diag. 4 : 3 |
6.5" diag. 20 : 9 |
| Display Resolution & Type |
240 x 240 pixels LCD (Color) |
101 x 64 pixels |
128 x 160 pixels (~116 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~269 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | ? | 700 mAh | 650 mAh | 5,000 mAh |
| Processor | ? | ? | ? | 2 GHz MediaTek Helio P22 (MT6762) |
| RAM | ? | ? | 16 MB | 3 GB |
| Storage | ? raw hardware | ? raw hardware | 32 MB | 32 GB |
| Main Camera | - | - | 2 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | QCIF (176 x 144) | 1080p HD |
| Front Camera | - | - | - | 5 megapixel |
| Weight |
5.01 oz (142g) |
3 oz (85g) |
2.72 oz (77g) |
6.88 oz (195g) |
| Dimensions |
4.76" x 3.03" x 0.71" (121 x 77 x 18 mm) |
4" x 1.7" x 0.8" (102 x 43 x 20.3 mm) |
3.78" x 1.89" x 0.66" (96 x 48 x 16.8 mm) |
6.48" x 2.95" x 0.35" (165 x 75 x 8.9 mm) |
| Form Factor | Slab | Slab | Clamshell | Slab |
| Platform / OS | BlackBerry OS | (proprietary) | (proprietary) | Android |
| Network Bands |
CDMA: 850, 1900 |
GSM: 850, 1900 |
GSM: 850, 1900 |
4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | 1xRTT | - | - | LTE (Cat 6) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | Yes | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - |
Yes M4 (very compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | - | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | Yes | - |
| Ringer Profiles | Yes | Yes | Yes | - |
| Connectivity | ||||
| Bluetooth | - | - | Yes | Yes |
| USB | Yes | - |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | Yes | Yes | n/a |
| Customization | ||||
| Changeable Body Plates | - | Yes | - | - |
| Custom Graphics | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | - | Yes | n/a |
| Data & Network | ||||
| WAP / Web Browser | n/a | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | n/a |
| Side Keys | Yes | - | Yes | Yes |
| Text Keyboard, Hardware | Yes | - | - | - |
| Touch Screen | - | - | - |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | - | n/a |
| EMS / Picture Messaging | n/a | Yes | - | n/a |
| Instant Messaging | n/a | - | Yes | 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 |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | n/a |
| Calculator | n/a | Yes | Yes | n/a |
| Calendar | n/a | - | Yes | n/a |
| To-Do List | n/a | - | - | n/a |
| Voice Memo | n/a | - | Yes | n/a |
| Software | ||||
| Games | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | - | Yes | n/a |
| Voice | ||||
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | - | - | n/a |
| Speaker Phone | - | - | Yes | Yes |
| BlackBerry 7750 | Siemens A56 / A56i | Alcatel 665 | TCL 20 XE | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 7750 | Siemens A56 / A56i | Alcatel 665 | TCL 20 XE |
