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| Phone | ZTE Prelude / Avail 2 | BlackBerry Key2 | Amazon Fire | BlackBerry Curve 3G 9330 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
3.5" diag. 5 : 3 |
4.5" diag. 5 : 3 |
4.7" diag. 16 : 9 |
2.5" diag. 4 : 3 |
| Display Resolution & Type |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~160 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | 60 Hz | ? | ? |
| Battery | 1,500 mAh | 3,500 mAh | 2,400 mAh | 1,150 mAh |
| Processor | 1 GHz Qualcomm Snapdragon MSM7225A | 2.2 GHz Qualcomm Snapdragon 660 | 2.2 GHz Qualcomm Snapdragon 800 | ? |
| RAM | 512 MB | 6 GB | 2 GB | ? |
| Storage | 4 GB | 64 GB * | 32 GB * | ? raw hardware |
| Main Camera | 2 megapixel | 12 megapixel | 13 megapixel | 2 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | - | 12 megapixel | - | - |
| Video Capture | VGA (640 x 480) | 4K UHD | 1080p HD | ? |
| Front Camera | - | 8 megapixel | 2 megapixel | - |
| Weight |
4.4 oz (125g) |
5.93 oz (168g) |
5.64 oz (160g) |
3.7 oz (105g) |
| Dimensions |
4.6" x 2.44" x 0.45" (117 x 62 x 11.4 mm) |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
5.5" x 2.6" x 0.35" (140 x 66 x 8.9 mm) |
4.29" x 2.36" x 0.55" (109 x 60 x 14 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | Android | (proprietary) | BlackBerry OS |
| Network Bands |
WCDMA: 2, 5 GSM: 850, 1900 |
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: 1, 2, 3, 4, 5, 7, 8, 17 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 |
| Data Technology | HSPA 7.2 | LTE (Cat 11) | LTE (Cat 4) | EVDO r0 |
| Features | ||||
| Fingerprint Reader | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | - |
| GPS / Location | n/a | n/a | Yes | n/a |
| Accessibility | ||||
| Adjustable Text Size | n/a | n/a | - | n/a |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes |
| Multiple Languages | n/a | n/a | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | - | - | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | Yes | n/a |
| NFC | - | Yes | Yes | - |
| USB | Yes |
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 5 (802.11 a,ac,b,g,n) |
Yes 802.11 b,g |
| Contacts | ||||
| Picture ID | n/a | n/a | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | n/a |
| Voice Dialing | n/a | n/a | Yes | n/a |
| Customization | ||||
| Custom Graphics | n/a | n/a | - | n/a |
| Custom Ringtones | n/a | n/a | Yes | n/a |
| Real-Music Ringers | n/a | n/a | - | n/a |
| Data & Network | ||||
| Data Tethering | n/a | n/a | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | n/a |
| Input | ||||
| Predictive Text Entry | n/a | n/a | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes |
| Touch Screen | Yes | Yes | Yes | - |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | Yes |
| Messaging | ||||
| Email Client | n/a | n/a | Yes | n/a |
| Instant Messaging | n/a | n/a | - | n/a |
| MMS | n/a | n/a | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | n/a |
| Music | ||||
| FM Radio | - | Yes | - | - |
| Headphone Jack (3.5mm) | Yes | Yes | Yes | Yes |
| Music Player | n/a | n/a | Yes | n/a |
| Stereo Speakers | - | - | Yes | - |
| Photo & Video | ||||
| Miracast | - | - | Yes | - |
| TV Output | - | Yes | Yes | - |
| Power | ||||
| Fast Charging | - | Yes | - | - |
| Productivity | ||||
| Alarm | n/a | n/a | Yes | n/a |
| Calculator | n/a | n/a | Yes | n/a |
| Calendar | n/a | n/a | Yes | n/a |
| To-Do List | n/a | n/a | - | n/a |
| Voice Memo | n/a | n/a | Yes | n/a |
| Software | ||||
| Games | n/a | n/a | Yes | n/a |
| Java (J2ME) | n/a | n/a | - | n/a |
| Voice | ||||
| HD Voice | - | Yes | Yes | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| ZTE Prelude / Avail 2 | BlackBerry Key2 | Amazon Fire | BlackBerry Curve 3G 9330 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | ZTE Prelude / Avail 2 | BlackBerry Key2 | Amazon Fire | BlackBerry Curve 3G 9330 |
