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| Phone | AT&T Maestro 3 | Samsung SPH-M510 |
| Current U.S. Carriers | (none) | (none) |
| Global Availability | Released | Released |
| Specifications | ||
|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
2.1" diag. 4 : 3 |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
176 x 220 pixels (~134 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? |
| Battery | 3,900 mAh | 800 mAh |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | ? |
| RAM | 3 GB | ? |
| Storage | 32 GB | ? raw hardware |
| Main Camera | 13 megapixel | 1 megapixel |
| Wide Camera | 5 megapixel | - |
| Tele Camera | - | - |
| Video Capture | 1080p HD | ? |
| Front Camera | 5 megapixel | - |
| Weight |
6.24 oz (177g) |
2.93 oz (83g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
3.7" x 2" x 0.64" (94 x 51 x 16.3 mm) |
| Form Factor | Slab | Clamshell |
| Platform / OS | Android | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
CDMA: 850, 1900 |
| Data Technology | LTE (Cat 4) | EVDO r0 |
| Features | ||
| Barometer | Yes | - |
| Fingerprint Reader |
Yes stand-alone |
- |
| Flashlight | Yes | - |
| GPS / Location | n/a | Yes |
| Accessibility | ||
| Adjustable Text Size | n/a | Yes |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | n/a | Yes |
| TTY/TDD (Digital) | - | Yes |
| Alerts | ||
| Extra Display | - | Yes |
| Connectivity | ||
| Bluetooth | Yes | Yes |
| USB |
Yes USB Type C |
Yes |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||
| Picture ID | n/a | Yes |
| Ringer ID | n/a | Yes |
| Voice Dialing | n/a | Yes |
| Customization | ||
| Custom Graphics | n/a | Yes |
| Custom Ringtones | n/a | Yes |
| Real-Music Ringers | n/a | Yes |
| Data & Network | ||
| Data Tethering | n/a | Yes |
| WAP / Web Browser | n/a | Yes |
| Input | ||
| Predictive Text Entry | n/a | Yes |
| Side Keys | Yes | Yes |
| Touch Screen |
Yes Capacitive |
- |
| Memory | ||
| Memory Card Slot | Yes | Yes |
| Messaging | ||
| Text Messaging Templates | n/a | Yes |
| Music | ||
| Headphone Jack (3.5mm) | Yes | - |
| Music Player | n/a | Yes |
| Productivity | ||
| Alarm | n/a | Yes |
| Calculator | n/a | Yes |
| Calendar | n/a | Yes |
| Voice Memo | n/a | Yes |
| Software | ||
| Games | n/a | Yes |
| Java (J2ME) | n/a | Yes |
| Voice | ||
| HD Voice | Yes | - |
| Speaker Phone | Yes | Yes |
| AT&T Maestro 3 | Samsung SPH-M510 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Samsung SPH-M510 |
