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| Phone | AT&T Maestro 3 | Samsung SCH-A950 | BlackBerry Curve 3G 9330 | Samsung Glyde U940 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
? |
2.5" diag. 4 : 3 |
2.8" diag. 16.5 : 9 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 3,900 mAh | 1,000 mAh | 1,150 mAh | 1,000 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | ? | ? | ? |
| RAM | 3 GB | ? | ? | ? |
| Storage | 32 GB | ? raw hardware | ? raw hardware | ? raw hardware |
| Main Camera | 13 megapixel | 1 megapixel | 2 megapixel | 2 megapixel |
| Wide Camera | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | ? | ? | QVGA (320 x 240) |
| Front Camera | 5 megapixel | - | - | - |
| Weight |
6.24 oz (177g) |
4.55 oz (129g) |
3.7 oz (105g) |
4.2 oz (119g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
3.6" x 1.9" x 0.95" (91 x 48 x 24.1 mm) |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
| Form Factor | Slab | Clamshell | Slab | Slide |
| Platform / OS | Android | (proprietary) | BlackBerry OS | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
CDMA: 850, 1900 |
| Data Technology | LTE (Cat 4) | EVDO r0 | EVDO r0 | EVDO r0 |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | Yes | n/a | Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
Yes M4 (very 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 | Yes | Yes |
| USB |
Yes USB Type C |
Yes |
Yes Micro-USB |
Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
Yes 802.11 b,g |
- |
| 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 | - | n/a | Yes |
| 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 |
- | - | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | n/a | - | n/a | - |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | - | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | Yes | n/a | Yes |
| Stereo Speakers | - | Yes | - | - |
| 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 | - |
| Voice Memo | n/a | Yes | n/a | - |
| Software | ||||
| BREW | n/a | Yes | n/a | Yes |
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | - |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| AT&T Maestro 3 | Samsung SCH-A950 | BlackBerry Curve 3G 9330 | Samsung Glyde U940 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Samsung SCH-A950 | BlackBerry Curve 3G 9330 | Samsung Glyde U940 |
