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| Phone | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Sony Xperia XA2 Ultra | Nokia 6108 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
6" diag. 16 : 9 |
? |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
240 x 320 pixels LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
128 x 128 pixels LCD (Color) |
| Display Refresh | 60 Hz | ? | 60 Hz | ? |
| Battery | 2,070 mAh | 1,000 mAh | 3,580 mAh | 850 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | ? | Qualcomm Snapdragon 630 | ? |
| RAM | 1 GB | ? | 4 GB | ? |
| Storage | 4 GB | ? raw hardware | 32 GB * | ? raw hardware |
| Main Camera | 5 megapixel | 3 megapixel | 23 megapixel | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | ? | 4K UHD | - |
| Front Camera | 1 megapixel | - | 16 megapixel | - |
| Weight |
4.8 oz (136g) |
4.4 oz (125g) |
7.79 oz (221g) |
3.46 oz (98g) |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
3.8" x 1.88" x 0.82" (97 x 48 x 20.8 mm) |
6.42" x 3.15" x 0.37" (163 x 80 x 9.5 mm) |
4.17" x 1.83" x 0.9" (106 x 46 x 22.9 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 4, 5, 7, 8, 12, 13, 17, 25, 28, 29, 66 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
GSM: 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | EVDO r0 | LTE (Cat 13) | GPRS |
| Features | ||||
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | n/a | Yes | n/a | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | - |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T4 (very tele-coil compatible) |
- |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | - |
| Infrared (IR) | - | - | - | Yes |
| Mobile Hotspot | n/a | - | n/a | - |
| NFC | - | - | Yes | - |
| USB |
Yes Micro-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 | Yes | n/a | Yes |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | - |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | 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 | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | Yes |
| EMS / Picture Messaging | n/a | Yes | n/a | - |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | - |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | Yes | n/a | - |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| Miracast | - | - | Yes | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| To-Do List | n/a | - | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | - |
| Software | ||||
| BREW | n/a | Yes | n/a | - |
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | Yes |
| Voice | ||||
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Z998 / Unico LTE | Samsung SCH-A990 | Sony Xperia XA2 Ultra | Nokia 6108 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | Samsung SCH-A990 | Sony Xperia XA2 Ultra | Nokia 6108 |
