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| Phone | Ericsson R520 | Alcatel Idol 4 | Sony Ericsson T68i | Coolpad Quattro 4G |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size | ? |
5.2" diag. 16 : 9 |
? |
4" diag. 5 : 3 |
| Display Resolution & Type | ? |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
101 x 80 pixels LCD (STN) |
480 x 800 pixels (~233 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | ? | 2,160 mAh | 700 mAh | 1,600 mAh |
| Processor | ? | 1.7 GHz Qualcomm Snapdragon 617 (MSM8952) | ? | ? |
| RAM | ? | 2 GB * | ? | ? |
| Storage | ? raw hardware | 16 GB | ? raw hardware | 512 MB |
| Main Camera | - | 13 megapixel | - | 3 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | - | 1080p HD | - | VGA (640 x 480) |
| Front Camera | - | 8 megapixel | - | Yes |
| Weight |
4.23 oz (120g) |
4.76 oz (135g) |
2.96 oz (84g) |
3.31 oz (94g) |
| Dimensions |
5.12" x 1.97" x 0.63" (130 x 50 x 16 mm) |
5.79" x 2.85" x 0.28" (147 x 72 x 7.1 mm) |
3.94" x 1.89" x 0.79" (100 x 48 x 20.1 mm) |
4.96" x 2.6" x 0.51" (126 x 66 x 13 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | (proprietary) | Android | (proprietary) | Android |
| Network Bands |
GSM: 900, 1800, 1900 |
4G LTE: 1, 2, 4, 5, 7, 12 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
| Data Technology | GPRS | LTE (Cat 4) | GPRS | LTE (Cat 3) |
| Features | ||||
| Flashlight | - | Yes | - | - |
| GPS / Location | - | n/a | - | n/a |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| Multiple Languages | Yes | n/a | Yes | n/a |
| TTY/TDD (Digital) | - | Yes | - | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | Yes | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | Yes | - |
| Mobile Hotspot | - | n/a | - | n/a |
| NFC | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
- | Yes |
| Wi-Fi | - |
Yes 5 (802.11 a,ac,b,g,n) |
- | Yes |
| Contacts | ||||
| Picture ID | - | n/a | Yes | n/a |
| Ringer ID | - | n/a | Yes | n/a |
| Voice Dialing | Yes | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | - | n/a | Yes | n/a |
| Custom Ringtones | Yes | n/a | Yes | n/a |
| Real-Music Ringers | - | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | Yes | n/a | Yes | n/a |
| Dual-SIM | - | Yes * | - | - |
| WAP / Web Browser | Yes | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | Yes | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
- |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | - | Yes | - | Yes |
| Messaging | ||||
| Email Client | - | n/a | Yes | n/a |
| EMS / Picture Messaging | - | n/a | Yes | n/a |
| Instant Messaging | - | n/a | - | n/a |
| MMS | - | n/a | Yes | n/a |
| Text Messaging Templates | Yes | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | - | n/a | - | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| Miracast | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | Yes | n/a | Yes | n/a |
| Calculator | Yes | n/a | Yes | n/a |
| Calendar | Yes | n/a | Yes | n/a |
| To-Do List | - | n/a | Yes | n/a |
| Voice Memo | Yes | n/a | Yes | n/a |
| Software | ||||
| Games | Yes | n/a | Yes | n/a |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Speaker Phone | Yes | Yes | - | Yes |
| * Some versions only | ||||
| Ericsson R520 | Alcatel Idol 4 | Sony Ericsson T68i | Coolpad Quattro 4G | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Ericsson R520 | Alcatel Idol 4 | Sony Ericsson T68i | Coolpad Quattro 4G |
