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| Phone | ZTE Z998 / Unico LTE | Samsung Glyde U940 | Sony Xperia Z3 Compact | Samsung Galaxy S21 |
| Current U.S. Carriers | (none) | (none) | (none) | Verizon |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
2.8" diag. 16.5 : 9 |
4.6" diag. 16 : 9 |
6.2" diag. 20 : 9 |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
240 x 440 pixels (~182 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~319 ppi) LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
| Display Refresh | 60 Hz | ? | 60 Hz | 120 Hz |
| Battery | 2,070 mAh | 1,000 mAh | 2,600 mAh | 4,000 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | ? | 2.5 GHz Qualcomm Snapdragon 801 (MSM8974AC) | 2.8 GHz Qualcomm Snapdragon 888 |
| RAM | 1 GB | ? | 2 GB | 8 GB |
| Storage | 4 GB | ? raw hardware | 16 GB | 128 GB * |
| Main Camera | 5 megapixel | 2 megapixel | 20 megapixel | 12 megapixel |
| Wide Camera | - | - | - | 12 megapixel |
| Tele Camera | - | - | - | 64 megapixel |
| Video Capture | 720p HD | QVGA (320 x 240) | 4K UHD | 8K |
| Front Camera | 1 megapixel | - | 2 megapixel | 10 megapixel |
| Weight |
4.8 oz (136g) |
4.2 oz (119g) |
4.55 oz (129g) |
6.03 oz (171g) |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
4.09" x 1.98" x 0.71" (104 x 50 x 18 mm) |
5" x 2.56" x 0.34" (127 x 65 x 8.6 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
| Form Factor | Slab | Slide | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android |
| Network Bands |
CDMA: 850, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 13, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | EVDO r0 | LTE (Cat 4) | NR (5G) |
| Features | ||||
| Barometer | - | - | - | Yes |
| Fingerprint Reader | - | - | - |
Yes in-display (ultrasonic) |
| Flashlight | - | - | - | Yes |
| GPS / Location | n/a | Yes | n/a | n/a |
| Ruggedized | - | - | Yes | - |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes IPX8 (SCUBA) |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | n/a |
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
Yes M4 (very compatible) |
Yes M3, T4 (very tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | n/a |
| NFC | - | - | Yes | Yes |
| USB |
Yes Micro-USB |
Yes |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 5 (802.11 a,ac,b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | Yes | n/a | n/a |
| Voice Dialing | n/a | Yes | n/a | n/a |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | n/a |
| Custom Ringtones | n/a | Yes | n/a | n/a |
| Real-Music Ringers | n/a | Yes | n/a | n/a |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | n/a |
| WAP / Web Browser | n/a | Yes | n/a | n/a |
| Input | ||||
| Predictive Text Entry | n/a | Yes | n/a | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
Yes |
Yes Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | n/a |
| Instant Messaging | n/a | - | n/a | n/a |
| MMS | n/a | Yes | n/a | n/a |
| Text Messaging Templates | n/a | Yes | n/a | n/a |
| Music | ||||
| FM Radio | - | - | Yes | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | - |
| Music Player | n/a | Yes | n/a | n/a |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| Miracast | - | - | Yes | - |
| TV Output | - | - | Yes | Yes |
| Power | ||||
| Fast Charging | - | - | Yes | Yes |
| Wireless Charging | - | - | - | Yes |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | n/a |
| Calculator | n/a | Yes | n/a | n/a |
| Calendar | n/a | Yes | n/a | n/a |
| Voice Memo | n/a | - | n/a | n/a |
| Software | ||||
| BREW | n/a | Yes | n/a | n/a |
| Games | n/a | Yes | n/a | n/a |
| Voice | ||||
| Call Screening | - | - | Yes | - |
| HD Voice | - | - | - | Yes |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | n/a |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| ZTE Z998 / Unico LTE | Samsung Glyde U940 | Sony Xperia Z3 Compact | Samsung Galaxy S21 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | Samsung Glyde U940 | Sony Xperia Z3 Compact | Samsung Galaxy S21 |
