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| Phone | Ericsson T28 World | Coolpad Quattro 4G | Coolpad Conjr | BlackBerry Storm2 9550 | LG Q70 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4" diag. 5 : 3 |
5" diag. 16 : 9 |
3.3" diag. 4 : 3 |
6.4" diag. 19.5 : 9 |
| Display Resolution & Type | ? |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~294 ppi) LCD (TFT/TFD) |
360 x 480 pixels (~185 ppi) LCD (TFT/TFD) |
1080 x 2310 pixels (~398 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | 60 Hz | ? | 60 Hz |
| Battery | 500 mAh | 1,600 mAh | 2,500 mAh | 1,400 mAh | 4,000 mAh |
| Processor | ? | ? | 1 GHz MediaTek MT6735 | ? | 2 GHz Qualcomm Snapdragon 675 (SM6150) |
| RAM | ? | ? | 3 GB | ? | 4 GB |
| Storage | ? raw hardware | 512 MB | 16 GB | ? raw hardware | 64 GB |
| Main Camera | - | 3 megapixel | 13 megapixel | 3 megapixel | 32 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | VGA (640 x 480) | 1080p HD | ? | 4K UHD |
| Front Camera | - | Yes | 8 megapixel | - | 16 megapixel |
| Weight |
3.14 oz (89g) |
3.31 oz (94g) |
5.14 oz (146g) |
5.64 oz (160g) |
6.98 oz (198g) |
| 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) |
5.72" x 2.86" x 0.35" (145 x 73 x 8.8 mm) |
4.43" x 2.45" x 0.55" (113 x 62 x 14 mm) |
6.38" x 3.02" x 0.32" (162 x 77 x 8.1 mm) |
| Form Factor | Flip | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | BlackBerry OS | Android |
| Network Bands |
GSM: 900, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
4G LTE: 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 3, 4, 5, 7, 12, 13, 20, 25, 26, 41, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | - | LTE (Cat 3) | LTE (Cat 4) | EVDO rA | LTE (Cat 12) |
| Features | |||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
Yes stand-alone |
| Flashlight | - | - | Yes | - | Yes |
| GPS / Location | - | n/a | n/a | n/a | n/a |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | n/a |
| Hearing Aid Compatible | - | Yes | Yes | Yes | Yes |
| Multiple Languages | - | n/a | n/a | n/a | n/a |
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | Yes | - | - | Yes | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | Yes |
| Mobile Hotspot | - | n/a | n/a | n/a | n/a |
| NFC | - | - | - | - | Yes |
| USB | - | Yes |
Yes Micro-USB |
Yes |
Yes USB Type C |
| Wi-Fi | - | Yes |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | - | n/a | n/a | n/a | n/a |
| Ringer ID | - | n/a | n/a | n/a | n/a |
| Voice Dialing | Yes | n/a | n/a | n/a | n/a |
| Customization | |||||
| Custom Graphics | - | n/a | n/a | n/a | n/a |
| Custom Ringtones | Yes | n/a | n/a | n/a | n/a |
| Real-Music Ringers | - | n/a | n/a | n/a | n/a |
| Data & Network | |||||
| Data Tethering | Yes | n/a | n/a | n/a | n/a |
| Dual-SIM | - | - | Yes | - | - |
| WAP / Web Browser | - | n/a | n/a | n/a | n/a |
| Input | |||||
| Predictive Text Entry | - | n/a | n/a | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Touch Screen | - | Yes | Yes | Yes | Yes |
| Memory | |||||
| Memory Card Slot | - | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | n/a |
| Instant Messaging | - | n/a | n/a | n/a | n/a |
| MMS | - | n/a | n/a | n/a | n/a |
| Music | |||||
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes | Yes |
| Music Player | - | n/a | n/a | n/a | n/a |
| Photo & Video | |||||
| DLNA | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | n/a |
| Calculator | Yes | n/a | n/a | n/a | n/a |
| Calendar | - | n/a | n/a | n/a | n/a |
| To-Do List | - | n/a | n/a | n/a | n/a |
| Voice Memo | - | n/a | n/a | n/a | n/a |
| Software | |||||
| Games | Yes | n/a | n/a | n/a | n/a |
| Java (J2ME) | - | n/a | n/a | n/a | n/a |
| Voice | |||||
| HD Voice | - | - | - | - | Yes |
| Speaker Phone | - | Yes | Yes | Yes | Yes |
| Ericsson T28 World | Coolpad Quattro 4G | Coolpad Conjr | BlackBerry Storm2 9550 | LG Q70 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson T28 World | Coolpad Quattro 4G | Coolpad Conjr | BlackBerry Storm2 9550 | LG Q70 |
