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| Phone | AT&T Maestro 3 | Samsung M220 | ZTE Z432 / Altair 2 | Motorola T191 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
6.5" diag. 20 : 9 |
1.5" diag. 4 : 3 |
2.4" diag. 4 : 3 |
? |
| Display Resolution & Type |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
128 x 160 pixels (~137 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
98 x 64 pixels |
| Display Refresh | 60 Hz | ? | ? | ? |
| Battery | 3,900 mAh | 800 mAh | 900 mAh | ? |
| Processor | 2 GHz MediaTek Helio A22 (MT6761) | ? | Qualcomm QSC6270 | ? |
| RAM | 3 GB | ? | 128 MB | ? |
| Storage | 32 GB | ? raw hardware | 256 MB | ? raw hardware |
| Main Camera | 13 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) |
3.1 oz (88g) |
3.24 oz (92g) |
3.49 oz (99g) |
| Dimensions |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
3.5" x 1.9" x 0.8" (89 x 48 x 20.3 mm) |
4.48" x 2.38" x 0.44" (114 x 60 x 11.2 mm) |
4.17" x 1.57" x 0.59" (106 x 40 x 15 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 2, 4, 5, 12, 14, 30 |
CDMA: 850, 1900 |
WCDMA: 2, 5 GSM: 850, 1900 |
GSM: 1900 |
| Data Technology | LTE (Cat 4) | 1xRTT | HSDPA 3.6 | - |
| Features | ||||
| Barometer | Yes | - | - | - |
| Fingerprint Reader |
Yes stand-alone |
- | - | - |
| Flashlight | Yes | - | - | - |
| GPS / Location | n/a | Yes | Yes | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | Yes | - |
| Hearing Aid Compatible |
Yes M4, T4 (very tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | Yes | Yes |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
- |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- | - | - |
| Contacts | ||||
| Picture ID | n/a | Yes | Yes | - |
| Ringer ID | n/a | Yes | Yes | - |
| Voice Dialing | n/a | Yes | - | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | Yes | Yes |
| Custom Ringtones | n/a | Yes | - | Yes |
| Real-Music Ringers | n/a | - | Yes | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | - | Yes |
| WAP / Web Browser | n/a | Yes | Yes | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | Yes | Yes |
| Side Keys | Yes | Yes | Yes | - |
| Text Keyboard, Hardware | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
- | - | - |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | Yes | - |
| MMS | n/a | - | Yes | - |
| Text Messaging Templates | n/a | Yes | Yes | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | Yes | Yes |
| Calculator | n/a | Yes | Yes | Yes |
| Calendar | n/a | Yes | Yes | Yes |
| To-Do List | n/a | Yes | - | - |
| Voice Memo | n/a | Yes | Yes | Yes |
| Software | ||||
| Games | n/a | Yes | - | Yes |
| Java (J2ME) | n/a | Yes | - | - |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Headset Jack (2.5 mm) | n/a | Yes | - | Yes |
| Speaker Phone | Yes | Yes | Yes | - |
| AT&T Maestro 3 | Samsung M220 | ZTE Z432 / Altair 2 | Motorola T191 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | AT&T Maestro 3 | Samsung M220 | ZTE Z432 / Altair 2 | Motorola T191 |
