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| Phone | ZTE Z998 / Unico LTE | BlackBerry Key2 | Motorola Charm | HTC Desire 520 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
4.5" diag. 5 : 3 |
2.8" diag. 4 : 3 |
4.5" diag. 16 : 9 |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~143 ppi) LCD (TFT/TFD) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 60 Hz |
| Battery | 2,070 mAh | 3,500 mAh | 1,170 mAh | 2,000 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | 2.2 GHz Qualcomm Snapdragon 660 | 720 MHz TI OMAP3410 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) |
| RAM | 1 GB | 6 GB | ? | 1 GB |
| Storage | 4 GB | 64 GB * | ? raw hardware | 8 GB |
| Main Camera | 5 megapixel | 12 megapixel | 3 megapixel | 8 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | 12 megapixel | - | - |
| Video Capture | 720p HD | 4K UHD | ? | 720p HD |
| Front Camera | 1 megapixel | 8 megapixel | - | 2 megapixel |
| Weight |
4.8 oz (136g) |
5.93 oz (168g) |
3.88 oz (110g) |
4.9 oz (139g) |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
3.87" x 2.65" x 0.45" (98 x 67 x 11.4 mm) |
5.5" x 2.71" x 0.36" (140 x 69 x 9 mm) |
| Platform / OS | Android | Android | Android | Android |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 17, 20, 28, 29, 30, 38, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 2, 4, 5, 17 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
||
| Data Technology | LTE (Cat 3) | LTE (Cat 11) | HSDPA 3.6 | LTE (Cat 3) |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | - | - |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes USB Type C |
Yes Micro-USB |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 4 (802.11 b,g,n) |
Yes 4 (802.11 b,g,n) |
| Input | ||||
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Music | ||||
| FM Radio | - | Yes | - | Yes |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | - | - | Yes |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Z998 / Unico LTE | BlackBerry Key2 | Motorola Charm | HTC Desire 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | BlackBerry Key2 | Motorola Charm | HTC Desire 520 |
