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| Phone | ZTE Z998 / Unico LTE | Nokia XR21 | Samsung Galaxy S II / SGH-i777 |
| Current U.S. Carriers | (none) | (none) | (none) |
| Global Availability | Released | Released | Released |
| Specifications | |||
|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
6.5" diag. 20 : 9 |
4.3" diag. 5 : 3 |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~406 ppi) LCD (TFT/TFD) |
480 x 800 pixels (~217 ppi) AMOLED |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz |
| Battery | 2,070 mAh | 4,800 mAh | 1,650 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | Snapdragon 695 | 1.2 GHz Samsung Exynos dual-core |
| RAM | 1 GB | 6 GB | ? |
| Storage | 4 GB | 128 GB | 16 GB |
| Main Camera | 5 megapixel | 64 megapixel | 8 megapixel |
| Wide Camera | - | 8 megapixel | - |
| Tele Camera | - | - | - |
| Video Capture | 720p HD | 1080p HD | 1080p HD |
| Front Camera | 1 megapixel | 16 megapixel | 2 megapixel |
| Weight |
4.8 oz (136g) |
8.16 oz (231g) |
4.3 oz (122g) |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
6.61" x 3.09" x 0.41" (168 x 78 x 10.4 mm) |
4.96" x 2.6" x 0.35" (126 x 66 x 8.9 mm) |
| Platform / OS | Android | Android | Android |
| Network Bands |
5G: 1, 2, 3, 5, 7, 20, 25, 28, 40, 41, 66, 71, 77-C, 78, 79, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 20, 25, 26, 28, 32, 38, 39, 40, 41, 42, 43, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | NR (5G) | HSPA+ 21 |
| Features | |||
| Barometer | - | Yes | - |
| Fingerprint Reader | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | - |
| Ruggedized | - | Yes | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | |||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
| TTY/TDD (Digital) | Yes | - | Yes |
| Connectivity | |||
| Bluetooth | Yes | Yes | Yes |
| NFC | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 4 (802.11 a,b,g,n) |
| Data & Network | |||
| Dual-SIM | - | Yes | - |
| Input | |||
| Side Keys | Yes | Yes | Yes |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | |||
| Memory Card Slot | Yes | - | Yes |
| Music | |||
| FM Radio | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes |
| Photo & Video | |||
| DLNA | - | - | Yes |
| TV Output | - | - | Yes |
| Power | |||
| Fast Charging | - | Yes | - |
| Voice | |||
| Speaker Phone | Yes | Yes | Yes |
| ZTE Z998 / Unico LTE | Nokia XR21 | Samsung Galaxy S II / SGH-i777 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | Nokia XR21 | Samsung Galaxy S II / SGH-i777 |
