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| Phone | Ericsson T28 World | Sanyo Katana / SCP-6600 | Samsung SGH-ZX20 | AT&T Maestro 3 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? | ? | ? |
6.5" diag. 20 : 9 |
| Display Resolution & Type | ? |
240 x 320 pixels LCD (TFT/TFD) |
176 x 220 pixels LCD (TFT/TFD) |
720 x 1600 pixels (~270 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | ? | 60 Hz |
| Battery | 500 mAh | 820 mAh | ? | 3,900 mAh |
| Processor | ? | ? | ? | 2 GHz MediaTek Helio A22 (MT6761) |
| RAM | ? | ? | ? | 3 GB |
| Storage | ? raw hardware | ? raw hardware | ? raw hardware | 32 GB |
| Main Camera | - | Yes | 1 megapixel | 13 megapixel |
| Wide Camera | - | - | - | 5 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | - | - | QCIF (176 x 144) | 1080p HD |
| Front Camera | - | - | - | 5 megapixel |
| Weight |
3.14 oz (89g) |
3.4 oz (96g) |
3.95 oz (112g) |
6.24 oz (177g) |
| Dimensions |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
3.88" x 2.02" x 0.58" (99 x 51 x 14.7 mm) |
3.46" x 1.89" x 1.02" (88 x 48 x 25.9 mm) |
6.58" x 3.03" x 0.33" (167 x 77 x 8.4 mm) |
| Form Factor | Flip | Clamshell | Clamshell | Slab |
| Platform / OS | (proprietary) | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 900, 1900 |
CDMA: 850, 1900 AMPS: 850 |
WCDMA: 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12, 14, 30 |
| Data Technology | - | 1xRTT | HSDPA 1.8 | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | Yes |
| GPS / Location | - | Yes | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - | - | Yes | Yes |
| Multiple Languages | - | - | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | - |
| Alerts | ||||
| Extra Display | - | Yes | Yes | - |
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | - |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| USB | - | Yes | Yes |
Yes USB Type C |
| Wi-Fi | - | - | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | - | Yes | Yes | n/a |
| Ringer ID | - | Yes | Yes | n/a |
| Voice Dialing | Yes | Yes | - | n/a |
| Customization | ||||
| Custom Graphics | - | Yes | Yes | n/a |
| Custom Ringtones | Yes | Yes | Yes | n/a |
| Real-Music Ringers | - | - | Yes | n/a |
| Data & Network | ||||
| Data Tethering | Yes | Yes | Yes | n/a |
| WAP / Web Browser | - | Yes | Yes | n/a |
| Input | ||||
| Predictive Text Entry | - | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - | - | - | Yes |
| Memory | ||||
| Memory Card Slot | - | - | Yes | Yes |
| Messaging | ||||
| Email Client | - | - | Yes | n/a |
| Instant Messaging | - | - | Yes | n/a |
| MMS | - | - | Yes | n/a |
| Text Messaging Templates | - | - | Yes | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | - | - | Yes |
| Music Player | - | - | Yes | n/a |
| Productivity | ||||
| Alarm | Yes | Yes | Yes | n/a |
| Calculator | Yes | Yes | Yes | n/a |
| Calendar | - | Yes | Yes | n/a |
| To-Do List | - | - | Yes | n/a |
| Voice Memo | - | Yes | Yes | n/a |
| Software | ||||
| Games | Yes | Yes | Yes | n/a |
| Java (J2ME) | - | Yes | Yes | n/a |
| Voice | ||||
| Call Screening | - | Yes | - | - |
| HD Voice | - | - | - | Yes |
| Speaker Phone | - | Yes | Yes | Yes |
| Ericsson T28 World | Sanyo Katana / SCP-6600 | Samsung SGH-ZX20 | AT&T Maestro 3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson T28 World | Sanyo Katana / SCP-6600 | Samsung SGH-ZX20 | AT&T Maestro 3 |
