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| Phone | Ericsson T28 World | Coolpad Quattro 4G | TCL 40 XL / Jitterbug Smart 4 | Coolpad Defiant |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
6.8" diag. 20 : 9 |
5" diag. 16 : 9 |
| Display Resolution & Type | ? |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 1600 pixels (~260 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~196 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 90 Hz | 60 Hz |
| Battery | 500 mAh | 1,600 mAh | 5,000 mAh | 2,450 mAh |
| Processor | ? | ? | 2.3 GHz MediaTek Helio G37 | 1.4 GHz Qualcomm Snapdragon 425 (MSM8917) |
| RAM | ? | ? | 4 GB | 1 GB |
| Storage | ? raw hardware | 512 MB | 128 GB | 8 GB |
| Main Camera | - | 3 megapixel | 50 megapixel | 5 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | 1080p HD | 720p HD |
| Front Camera | - | Yes | 8 megapixel | 2 megapixel |
| Weight |
3.14 oz (89g) |
3.31 oz (94g) |
6.88 oz (195g) |
6.5 oz (184g) |
| Dimensions |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
6.61" x 3.01" x 0.35" (168 x 76 x 8.8 mm) |
5.69" x 2.81" x 0.4" (145 x 71 x 10.2 mm) |
| Form Factor | Flip | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android |
| Network Bands |
GSM: 900, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25, 26, 41, 66, 71 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 12 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | LTE (Cat 3) | LTE (Cat 6) | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - | Yes | - |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | - | n/a | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | - | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | - | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a |
| USB | - | Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
| Contacts | ||||
| Picture ID | - | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | n/a |
| WAP / Web Browser | - | n/a | n/a | n/a |
| Input | ||||
| Predictive Text Entry | - | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | - | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a |
| Music | ||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | n/a |
| Stereo Speakers | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a |
| Calendar | - | n/a | n/a | n/a |
| Voice Memo | - | n/a | n/a | n/a |
| Software | ||||
| Games | Yes | n/a | n/a | n/a |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Speaker Phone | - | Yes | Yes | Yes |
| Ericsson T28 World | Coolpad Quattro 4G | TCL 40 XL / Jitterbug Smart 4 | Coolpad Defiant | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson T28 World | Coolpad Quattro 4G | TCL 40 XL / Jitterbug Smart 4 | Coolpad Defiant |
