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| Phone | Nokia E66 | ZTE Z998 / Unico LTE | Microsoft Lumia 550 | LG Velvet |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.4" diag. 4 : 3 |
4.5" diag. 16 : 9 |
4.7" diag. 16 : 9 |
6.8" diag. 20.5 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~167 ppi) LCD (TFT/TFD) |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
1080 x 2460 pixels (~395 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | 60 Hz |
| Battery | 1,000 mAh | 2,070 mAh | 2,100 mAh | 4,300 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | Qualcomm Snapdragon 765G |
| RAM | ? | 1 GB | 1 GB | 6 GB |
| Storage | ? raw hardware | 4 GB | 8 GB | 128 GB |
| Main Camera | 3 megapixel | 5 megapixel | 5 megapixel | 48 megapixel |
| Wide Camera | - | - | - | 8 megapixel |
| Tele Camera | - | - | - | - |
| Video Capture | QVGA (320 x 240) | 720p HD | 720p HD | 4K UHD |
| Front Camera | - | 1 megapixel | 2 megapixel | 16 megapixel |
| Weight |
4.27 oz (121g) |
4.8 oz (136g) |
5.01 oz (142g) |
6.35 oz (180g) |
| Dimensions |
4.21" x 1.93" x 0.51" (107 x 49 x 13 mm) |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
5.36" x 2.67" x 0.39" (136 x 68 x 9.9 mm) |
6.58" x 2.92" x 0.31" (167 x 74 x 7.9 mm) |
| Platform / OS | S60 (Symbian) | Android | Windows | Android |
| Network Bands |
4G LTE: 2, 4, 5, 7, 12, 17 WCDMA: 2, 4, 5 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 25, 41, 66, 71, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 14, 20, 25, 29, 30, 38, 39, 40, 41, 46, 66, 71 WCDMA: 1, 2, 4, 5 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | HSDPA 3.6 | LTE (Cat 3) | LTE (Cat 4) | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (optical) |
| Flashlight | - | - | Yes | Yes |
| Water-Resistant | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Hearing Aid Compatible | - |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | - | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | - | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Infrared (IR) | Yes | - | - | - |
| NFC | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 802.11 b,g |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Touch Screen | - |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | Yes | - | Yes | Yes |
| Headphone Jack (3.5mm) | - | Yes | Yes | Yes |
| Stereo Speakers | - | - | - | Yes |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| Miracast | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Power | ||||
| Fast Charging | - | - | - | Yes |
| Wireless Charging | - | - | - | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| Nokia E66 | ZTE Z998 / Unico LTE | Microsoft Lumia 550 | LG Velvet | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nokia E66 | ZTE Z998 / Unico LTE | Microsoft Lumia 550 | LG Velvet |
