Compare Phones
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| Phone | Ericsson T28 World | Casio G'zOne Boulder | T-Mobile REVVL 4 | Cricket Ovation / AT&T Radiant Max | Ericsson T66 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? | 2" diag. 4 : 3 | 6.2" diag. 19 : 9 | 6.5" diag. 19.5 : 9 | ? | 
| Display Resolution & Type | ? | 240 x 320 pixels (~200 ppi) LCD (TFT/TFD) | 720 x 1520 pixels (~270 ppi) LCD (TFT/TFD) | 720 x 1560 pixels (~264 ppi) LCD (TFT/TFD) | ? | 
| Display Refresh | ? | ? | 60 Hz | 60 Hz | ? | 
| Battery | 500 mAh | 810 mAh | 3,500 mAh | 4,000 mAh | ? | 
| Processor | ? | ? | 2 GHz MediaTek Helio A22 (MT6761) | 2 GHz MediaTek Helio P22 (MT6762) | ? | 
| RAM | ? | ? | 2 GB | 3 GB | ? | 
| Storage | ? raw hardware | ? raw hardware | 32 GB | 32 GB | ? raw hardware | 
| Main Camera | - | 1 megapixel | 13 megapixel | 13 megapixel | - | 
| Wide Camera | - | - | - | 5 megapixel | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | - | ? | 1080p HD | 1080p HD | - | 
| Front Camera | - | - | 5 megapixel | 8 megapixel | - | 
| Weight | 3.14 oz (89g) | 4.9 oz (139g) | 5.59 oz (158g) | 6.18 oz (175g) | 2.08 oz (59g) | 
| Dimensions | 3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) | 3.9" x 2" x 0.9" (99 x 51 x 22.9 mm) | 6.26" x 2.99" x 0.32" (159 x 76 x 8.1 mm) | 6.71" x 3" x 0.35" (170 x 76 x 8.9 mm) | 3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) | 
| Form Factor | Flip | Clamshell | Slab | Slab | Slab | 
| Platform / OS | (proprietary) | (proprietary) | Android | Android | (proprietary) | 
| Network Bands | GSM: 900, 1900 | CDMA: 850, 1900 | 4G LTE: 2, 4, 5, 7, 12, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 | 4G LTE: 2, 4, 5, 12, 14, 29, 30, 66 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 | GSM: 900, 1800, 1900 | 
| Data Technology | - | EVDO rA | LTE (Cat 6) | LTE (Cat 4) | - | 
| Features | |||||
| Fingerprint Reader | - | - | Yes stand-alone | Yes stand-alone | - | 
| Flashlight | - | Yes | Yes | Yes | - | 
| GPS / Location | - | Yes | n/a | n/a | - | 
| Ruggedized | - | Yes | - | - | - | 
| Water-Resistant | - | Yes | - | - | - | 
| Accessibility | |||||
| Hearing Aid Compatible | - | Yes | Yes | Yes | - | 
| Multiple Languages | - | Yes | n/a | n/a | Yes | 
| TTY/TDD (Digital) | - | Yes | Yes | Yes | - | 
| Alerts | |||||
| Extra Display | - | Yes | - | - | - | 
| Ringer Profiles | Yes | - | - | - | Yes | 
| Connectivity | |||||
| Bluetooth | - | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | - | 
| NFC | - | - | - | Yes | - | 
| USB | - | Yes | Yes USB Type C | Yes USB Type C | - | 
| Wi-Fi | - | - | Yes 5 (802.11 a,ac,b,g,n) | Yes 5 (802.11 a,ac,b,g,n) | - | 
| Contacts | |||||
| Picture ID | - | Yes | n/a | n/a | - | 
| Ringer ID | - | Yes | n/a | n/a | - | 
| Voice Dialing | Yes | Yes | n/a | n/a | - | 
| Customization | |||||
| Changeable Body Plates | - | Yes | - | - | - | 
| Custom Graphics | - | Yes | n/a | n/a | Yes | 
| Custom Ringtones | Yes | Yes | n/a | n/a | Yes | 
| Data & Network | |||||
| Data Tethering | Yes | Yes | n/a | n/a | - | 
| WAP / Web Browser | - | Yes | n/a | n/a | Yes | 
| Input | |||||
| Predictive Text Entry | - | Yes | n/a | n/a | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Touch Screen | - | - | Yes | Yes | - | 
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | - | 
| Messaging | |||||
| EMS / Picture Messaging | - | Yes | n/a | n/a | Yes | 
| MMS | - | Yes | n/a | n/a | - | 
| Text Messaging Templates | - | Yes | n/a | n/a | Yes | 
| Music | |||||
| FM Radio | - | - | Yes | - | - | 
| Headphone Jack (3.5mm) | - | - | Yes | Yes | - | 
| Music Player | - | Yes | n/a | n/a | - | 
| Productivity | |||||
| Alarm | Yes | Yes | n/a | n/a | Yes | 
| Calculator | Yes | Yes | n/a | n/a | Yes | 
| Calendar | - | Yes | n/a | n/a | Yes | 
| To-Do List | - | - | n/a | n/a | Yes | 
| Voice Memo | - | Yes | n/a | n/a | - | 
| Software | |||||
| BREW | - | Yes | n/a | n/a | - | 
| Games | Yes | Yes | n/a | n/a | Yes | 
| Voice | |||||
| HD Voice | - | - | Yes | Yes | - | 
| Push-To-Talk | - | Yes | - | - | - | 
| Speaker Phone | - | Yes | Yes | Yes | - | 
| Ericsson T28 World | Casio G'zOne Boulder | T-Mobile REVVL 4 | Cricket Ovation / AT&T Radiant Max | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Ericsson T28 World | Casio G'zOne Boulder | T-Mobile REVVL 4 | Cricket Ovation / AT&T Radiant Max | Ericsson T66 | 
 







