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Motorola V551 / V330 / V547 / V555 / V557
ZTE Blade Max 3 / Max Blue
Samsung SPH-N270 (Matrix Phone)
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| Phone | AT&T Maestro 3 | Samsung SCH-i830 / IP-830w | AT&T Vista | Samsung SCH-A570 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
? |
5.5" diag. 18 : 9 |
? |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
720 x 1440 pixels (~293 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (STN) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 3,900 mAh | ? | 2,450 mAh | ? |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | 520 MHz Intel Bulverde | 2 GHz MediaTek Helio A22 (MT6761V) | ? |
| RAM | 3 GB | ? | 3 GB | ? |
| Storage | 32 GB | ? raw hardware | 32 GB | ? raw hardware |
| Main Camera | 13 megapixel | - | 8 megapixel | - |
| Wide Camera | 5 megapixel | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 1080p HD | - | 1080p HD | - |
| Front Camera | 5 megapixel | - | 5 megapixel | - |
| Weight |
6.24 oz (177g) |
6.44 oz (183g) |
5.51 oz (156g) |
3.6 oz (102g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
4.49" x 2.28" x 0.97" (114 x 58 x 24.6 mm) |
5.88" x 2.82" x 0.35" (149 x 72 x 8.9 mm) |
3.3" x 1.8" x 0.9" (84 x 46 x 22.9 mm) |
| Form Factor | Slab | Slide | Slab | Clamshell |
| Platform / OS | Android | Windows Mobile Professional | Android | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
CDMA: 850, 1900 GSM: 900, 1800 |
4G LTE: 2, 3, 4, 5, 7, 12, 14, 20, 30 WCDMA: 1, 2, 4, 5, 8 |
CDMA: 850, 1900 |
| Data Technology | LTE (Cat 4) | EVDO r0 | LTE (Cat 4) | 1xRTT |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | - | Yes | - |
| GPS / Location | n/a | n/a | n/a | Yes |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Extra Display | - | - | - | Yes |
| Ringer Profiles | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Infrared (IR) | - | Yes | - | - |
| USB |
Yes USB Type C |
Yes |
Yes USB Type C |
- |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- | Yes | - |
| Contacts | ||||
| Voice Dialing | n/a | n/a | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | n/a | n/a | Yes |
| Custom Ringtones | n/a | n/a | n/a | Yes |
| Data & Network | ||||
| WAP / Web Browser | n/a | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | n/a | n/a | - |
| EMS / Picture Messaging | n/a | n/a | n/a | Yes |
| Text Messaging Templates | n/a | n/a | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | n/a | n/a | - |
| Stereo Speakers | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | n/a | Yes |
| Calculator | n/a | n/a | n/a | Yes |
| Calendar | n/a | n/a | n/a | Yes |
| To-Do List | n/a | n/a | n/a | Yes |
| Voice Memo | n/a | n/a | n/a | Yes |
| Software | ||||
| BREW | n/a | n/a | n/a | Yes |
| Games | n/a | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | Yes | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | n/a | n/a | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| AT&T Maestro 3 | Samsung SCH-i830 / IP-830w | AT&T Vista | Samsung SCH-A570 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Samsung SCH-i830 / IP-830w | AT&T Vista | Samsung SCH-A570 |
