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| Phone | ZTE Z998 / Unico LTE | Sony Xperia Z5 | Kyocera 2135 | Ericsson T28 World |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Not yet released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
5.2" diag. 16 : 9 |
? | ? |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~424 ppi) LCD (TFT/TFD) |
? | ? |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 2,070 mAh | 2,900 mAh | 925 mAh | 500 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | 2 GHz Qualcomm Snapdragon 810 (MSM8994) | ? | ? |
| RAM | 1 GB | 3 GB | ? | ? |
| Storage | 4 GB | 32 GB | ? raw hardware | ? raw hardware |
| Main Camera | 5 megapixel | 23 megapixel | - | - |
| Wide Camera | - | - | - | - |
| Tele Camera | - | - | - | - |
| Video Capture | 720p HD | 4K UHD | - | - |
| Front Camera | 1 megapixel | 5 megapixel | - | - |
| Weight |
4.8 oz (136g) |
5.43 oz (154g) |
4.7 oz (133g) |
3.14 oz (89g) |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
5.75" x 2.83" x 0.29" (146 x 72 x 7.3 mm) |
5.07" x 1.89" x 1.02" (129 x 48 x 25.9 mm) |
3.9" x 2" x 0.6" (99 x 51 x 15.2 mm) |
| Form Factor | Slab | Slab | Slab | Flip |
| Platform / OS | Android | Android | (proprietary) | (proprietary) |
| Network Bands |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 17, 20, 28, 40 WCDMA: 1, 2, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
GSM: 900, 1900 |
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| Data Technology | LTE (Cat 3) | LTE (Cat 6) | - | - |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | - | - |
| GPS / Location | n/a | n/a | - | - |
| Water-Resistant | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | - |
| Hearing Aid Compatible | Yes | Yes | - | - |
| Multiple Languages | n/a | n/a | Yes | - |
| TTY/TDD (Digital) | Yes | Yes | - | - |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
- | - |
| MirrorLink | - | Yes | - | - |
| Mobile Hotspot | n/a | n/a | - | - |
| NFC | - | Yes | - | - |
| USB |
Yes Micro-USB |
Yes Micro-USB |
- | - |
| 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 | - | Yes |
| Customization | ||||
| Changeable Body Plates | - | - | Yes | - |
| Custom Graphics | n/a | n/a | - | - |
| Custom Ringtones | n/a | n/a | Yes | Yes |
| Real-Music Ringers | n/a | n/a | - | - |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | Yes |
| WAP / Web Browser | n/a | n/a | Yes | - |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | - |
| Side Keys | Yes | Yes | - | Yes |
| Touch Screen | Yes | Yes | - | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | n/a | n/a | - | - |
| 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 | - | - |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | - | Yes | - | - |
| Miracast | - | Yes | - | - |
| TV Output | - | Yes | - | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | Yes |
| Calculator | n/a | n/a | Yes | Yes |
| Calendar | n/a | n/a | - | - |
| Voice Memo | n/a | n/a | - | - |
| Software | ||||
| Games | n/a | n/a | Yes | Yes |
| Voice | ||||
| HD Voice | - | Yes | - | - |
| Headset Jack (2.5 mm) | n/a | n/a | Yes | - |
| Speaker Phone | Yes | Yes | - | - |
| * Some versions only | ||||
| ZTE Z998 / Unico LTE | Sony Xperia Z5 | Kyocera 2135 | Ericsson T28 World | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | Sony Xperia Z5 | Kyocera 2135 | Ericsson T28 World |
