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| Phone | ZTE Z998 / Unico LTE | Apple iPhone 3GS | BlackBerry 8830 | BlackBerry 8820 | Essential Phone |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
3.5" diag. 5 : 3 |
? | ? |
5.7" diag. 17.5 : 9 |
| Display Resolution & Type |
540 x 960 pixels (~245 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
1312 x 2560 pixels (~504 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? | 60 Hz |
| Battery | 2,070 mAh | ? | 1,400 mAh | 1,400 mAh | 3,040 mAh |
| Processor | 1.2 GHz Qualcomm Snapdragon 400 MSM8930 | ? | ? | ? | 2.5 GHz Qualcomm Snapdragon 835 (MSM8998) |
| RAM | 1 GB | ? | ? | ? | 4 GB |
| Storage | 4 GB | 32 GB * | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | 5 megapixel | 3 megapixel | - | - | 13 megapixel |
| Wide Camera | - | - | - | - | - |
| Tele Camera | - | - | - | - | - |
| Video Capture | 720p HD | VGA (640 x 480) | - | - | 4K UHD |
| Front Camera | 1 megapixel | - | - | - | 8 megapixel |
| Weight |
4.8 oz (136g) |
4.76 oz (135g) |
4.6 oz (130g) |
4.73 oz (134g) |
6.53 oz (185g) |
| Dimensions |
5.2" x 2.6" x 0.4" (132 x 66 x 10.2 mm) |
4.55" x 2.44" x 0.48" (116 x 62 x 12.3 mm) |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
5.57" x 2.8" x 0.31" (141 x 71 x 7.8 mm) |
| Platform / OS | Android | iOS | BlackBerry OS | BlackBerry OS | Android |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 20, 25, 26, 28, 29, 30, 40, 41, 66 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
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| Data Technology | LTE (Cat 3) | HSPA 7.2 | EVDO r0 | EDGE | LTE (Cat 12) |
| Features | |||||
| Barometer | - | - | - | - | Yes |
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| Accessibility | |||||
| Hearing Aid Compatible |
Yes M3, T4 (very tele-coil compatible) |
- |
Yes M4, T4 (very tele-coil compatible) |
- |
Yes M4, T3 (mostly tele-coil compatible) |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Ringer Profiles | - | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| NFC | - | - | - | - | Yes |
| USB |
Yes Micro-USB |
Yes | Yes |
Yes Mini-USB |
Yes USB Type C |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
Yes 802.11 b,g |
- | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
| Input | |||||
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | - | Yes | Yes | - |
| Touch Screen |
Yes Capacitive |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | - | Yes | Yes | - |
| Music | |||||
| Headphone Jack (3.5mm) | Yes | Yes | - | - | - |
| Photo & Video | |||||
| TV Output | - | Yes | - | - | - |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Voice | |||||
| Push-To-Talk | - | - | Yes * | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| ZTE Z998 / Unico LTE | Apple iPhone 3GS | BlackBerry 8830 | BlackBerry 8820 | Essential Phone | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Z998 / Unico LTE | Apple iPhone 3GS | BlackBerry 8830 | BlackBerry 8820 | Essential Phone |
