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| Phone | BlackBerry 8820 | Motorola Admiral | ZTE Z431 / Altair | Nokia 6555 | ZTE Axon 9 Pro |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Not yet released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
3.1" diag. 4 : 3 |
2.4" diag. 4 : 3 |
2" diag. 4 : 3 |
6.2" diag. 18.5 : 9 |
| Display Resolution & Type |
320 x 240 pixels LCD (TFT/TFD) |
480 x 640 pixels (~258 ppi) LCD (TFT/TFD) |
320 x 240 pixels (~167 ppi) LCD (TFT/TFD) |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
1080 x 2248 pixels (~402 ppi) AMOLED |
| Display Refresh | ? | 60 Hz | ? | ? | 60 Hz |
| Battery | 1,400 mAh | 1,860 mAh | 1,000 mAh | 1,020 mAh | 4,000 mAh |
| Processor | ? | 1.2 GHz Qualcomm Snapdragon S2 MSM8655 | ? | ? | 2.7 GHz Qualcomm Snapdragon 845 |
| RAM | ? | 512 MB | ? | ? | 6 GB |
| Storage | ? raw hardware | 4 GB | ? raw hardware | ? raw hardware | 128 GB |
| Main Camera | - | 5 megapixel | 2 megapixel | 1 megapixel | 12 megapixel |
| Wide Camera | - | - | - | - | 20 megapixel |
| Tele Camera | - | - | - | - | - |
| Video Capture | - | 720p HD | QVGA (320 x 240) | QCIF (176 x 144) | 4K UHD |
| Front Camera | - | - | - | - | 20 megapixel |
| Weight |
4.73 oz (134g) |
4.71 oz (134g) |
3.52 oz (100g) |
3.42 oz (97g) |
2.79 oz (79g) |
| Dimensions |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
4.68" x 2.44" x 0.48" (119 x 62 x 12.2 mm) |
4.49" x 2.39" x 0.41" (114 x 61 x 10.4 mm) |
3.92" x 1.74" x 0.77" (100 x 44 x 19.6 mm) |
6.16" x 2.93" x 0.31" (156 x 75 x 7.9 mm) |
| Form Factor | Slab | Slab | Slab | Clamshell | Slab |
| Platform / OS | BlackBerry OS | Android | (proprietary) | (proprietary) | Android |
| Network Bands |
GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 17, 18, 19, 20, 25, 26, 28 WCDMA: 1, 2, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
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| Data Technology | EDGE | EVDO rA | ? | WCDMA (UMTS) | LTE (Cat 15) |
| Features | |||||
| Fingerprint Reader | - | - | - | - |
Yes stand-alone |
| Flashlight | - | - | - | - | Yes |
| GPS / Location | n/a | n/a | Yes | - | n/a |
| Ruggedized | - | Yes | - | - | - |
| Water-Resistant | - | - | - | - |
Yes IPX8 (SCUBA) |
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | - | Yes | n/a |
| Hearing Aid Compatible | - |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
- |
| Multiple Languages | n/a | n/a | Yes | Yes | n/a |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes | Yes |
| Alerts | |||||
| Extra Display | - | - | - | Yes | - |
| Ringer Profiles | Yes | - | Yes | Yes | - |
| Connectivity | |||||
| Bluetooth | Yes | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | n/a | - | - | n/a |
| NFC | - | - | - | - | Yes |
| USB |
Yes Mini-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi | Yes |
Yes 4 (802.11 b,g,n) |
- | - |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | Yes | n/a |
| Ringer ID | n/a | n/a | Yes | Yes | n/a |
| Voice Dialing | n/a | n/a | - | Yes | n/a |
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | Yes | n/a |
| Custom Ringtones | n/a | n/a | Yes | Yes | n/a |
| Real-Music Ringers | n/a | n/a | Yes | Yes | n/a |
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | Yes | n/a |
| WAP / Web Browser | n/a | n/a | Yes | Yes | n/a |
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | Yes | n/a |
| Side Keys | Yes | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | Yes | Yes | Yes | - | - |
| Touch Screen | - |
Yes Capacitive |
- | - |
Yes Capacitive |
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes |
| Messaging | |||||
| Email Client | n/a | n/a | Yes | Yes | n/a |
| Instant Messaging | n/a | n/a | - | Yes | n/a |
| MMS | n/a | n/a | Yes | Yes | n/a |
| Text Messaging Templates | n/a | n/a | Yes | Yes | n/a |
| Music | |||||
| FM Radio | - | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | Yes | - | - |
| Music Player | n/a | n/a | Yes | Yes | n/a |
| Stereo Speakers | - | - | - | - | Yes |
| Photo & Video | |||||
| DLNA | - | Yes | - | - | - |
| Miracast | - | - | - | - | Yes |
| Power | |||||
| Fast Charging | - | - | - | - | Yes |
| Wireless Charging | - | - | - | - | Yes |
| Productivity | |||||
| Alarm | n/a | n/a | Yes | Yes | n/a |
| Calculator | n/a | n/a | Yes | Yes | n/a |
| Calendar | n/a | n/a | Yes | Yes | n/a |
| To-Do List | n/a | n/a | - | Yes | n/a |
| Voice Memo | n/a | n/a | Yes | Yes | n/a |
| Software | |||||
| BREW | n/a | n/a | Yes | - | n/a |
| Games | n/a | n/a | Yes | Yes | n/a |
| Java (J2ME) | n/a | n/a | - | Yes | n/a |
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | n/a | - | Yes | n/a |
| Push-To-Talk | Yes * | Yes | - | Yes * | - |
| Speaker Phone | Yes | Yes | Yes | Yes | Yes |
| * Some versions only | |||||
| BlackBerry 8820 | Motorola Admiral | ZTE Z431 / Altair | Nokia 6555 | ZTE Axon 9 Pro | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry 8820 | Motorola Admiral | ZTE Z431 / Altair | Nokia 6555 | ZTE Axon 9 Pro |
