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| Phone | ZTE Prelude / Avail 2 | Ericsson R278d | LG Stylo 4 | Ericsson T66 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
? |
6.2" diag. 18 : 9 |
? |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
101 x 40 pixels |
1080 x 2160 pixels (~390 ppi) LCD (TFT/TFD) |
? |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 1,500 mAh | ? | 3,300 mAh | ? |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | ? | 1.8 GHz Qualcomm Snapdragon 450 | ? |
| RAM | 512 MB | ? | 2 GB * | ? |
| Storage | 4 GB | ? raw hardware | 32 GB * | ? raw hardware |
| Main Camera | 2 megapixel | - | 13 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | VGA (640 x 480) | - | 1080p HD | - |
| Front Camera | - | - | 5 megapixel | - |
| Weight |
4.4 oz (125g) |
9.28 oz (263g) |
6.07 oz (172g) |
2.08 oz (59g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
5.1" x 2" x 1" (130 x 51 x 25.4 mm) |
6.31" x 3.06" x 0.33" (160 x 78 x 8.4 mm) |
3.62" x 1.61" x 0.69" (92 x 41 x 17.5 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
TDMA: 850, 1900 AMPS: 850 |
4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 29, 30, 38, 41, 66, 71 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
| Data Technology | HSPA 7.2 | - | LTE (Cat 6) | - |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | - |
| GPS / Location | n/a | - | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | - |
| Alerts | ||||
| Ringer Profiles | - | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | - | Yes | - |
| NFC | - | - | Yes * | - |
| USB | Yes | - |
Yes USB Type C |
- |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | - | n/a | - |
| Ringer ID | n/a | - | n/a | - |
| Voice Dialing | n/a | - | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | - | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | - | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Stylus | - | - | Yes | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | - |
| EMS / Picture Messaging | n/a | - | n/a | Yes |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | - | n/a | - |
| Text Messaging Templates | n/a | - | n/a | Yes |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | - | n/a | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | - | n/a | Yes |
| Calendar | n/a | - | n/a | Yes |
| To-Do List | n/a | - | n/a | Yes |
| Voice Memo | n/a | - | n/a | - |
| Software | ||||
| Games | n/a | - | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Speaker Phone | Yes | - | Yes | - |
| * Some versions only | ||||
| ZTE Prelude / Avail 2 | Ericsson R278d | LG Stylo 4 | Ericsson T66 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | Ericsson R278d | LG Stylo 4 | Ericsson T66 |
