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| Phone | BlackBerry Key2 | Samsung Wafer R510 | Samsung Galaxy Attain 4G | ZTE Blade Max 3 / Max Blue |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 5 : 3 |
1.9" diag. 4 : 3 |
3.5" diag. 5 : 3 |
6" diag. 16 : 9 |
| Display Resolution & Type |
1080 x 1620 pixels (~433 ppi) LCD (TFT/TFD) |
220 x 176 pixels (~148 ppi) LCD (TFT/TFD) |
320 x 480 pixels (~165 ppi) LCD (TFT/TFD) |
1080 x 1920 pixels (~367 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 60 Hz | 60 Hz |
| Battery | 3,500 mAh | 800 mAh | 1,650 mAh | 4,000 mAh |
| Processor | 2.2 GHz Qualcomm Snapdragon 660 | ? | ? | 2 GHz Qualcomm Snapdragon 625 (MSM8953) |
| RAM | 6 GB | ? | 512 MB | 2 GB |
| Storage | 64 GB * | ? raw hardware | ? raw hardware | 16 GB |
| Main Camera | 12 megapixel | 1 megapixel | 3 megapixel | 13 megapixel |
| Wide Camera | - | - | - | - |
| Tele Camera | 12 megapixel | - | - | - |
| Video Capture | 4K UHD | ? | WVGA / 480p | 4K UHD |
| Front Camera | 8 megapixel | - | 1 megapixel | 5 megapixel |
| Weight |
5.93 oz (168g) |
2.47 oz (70g) |
4.2 oz (119g) |
6.34 oz (180g) |
| Dimensions |
5.96" x 2.82" x 0.33" (151 x 72 x 8.4 mm) |
4.45" x 1.97" x 0.33" (113 x 50 x 8.4 mm) |
4.57" x 2.38" x 0.46" (116 x 60 x 11.7 mm) |
6.49" x 3.3" x 0.35" (165 x 84 x 8.9 mm) |
| Form Factor | Slab | Slab | Slab | Slab |
| Platform / OS | Android | (proprietary) | Android | Android |
| Network Bands |
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 |
CDMA: 850, 1900 |
4G LTE: 2, 4 CDMA: 850, 1700, 1900 |
4G LTE: 2, 4, 5, 12, 13, 25 WCDMA: 2, 4, 5 CDMA: 850, 1900 GSM: 850, 900, 1800, 1900 |
| Data Technology | LTE (Cat 11) | EVDO r0 | LTE (Cat 3) | LTE (Cat 4) |
| Features | ||||
| Fingerprint Reader |
Yes stand-alone |
- | - |
Yes stand-alone |
| Flashlight | Yes | - | - | Yes |
| GPS / Location | n/a | Yes | n/a | n/a |
| Accessibility | ||||
| Hearing Aid Compatible |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T3 (mostly tele-coil compatible) |
Yes M4, 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 |
| NFC | Yes | - | - | - |
| USB |
Yes USB Type C |
- |
Yes Micro-USB |
Yes USB Type C |
| Wi-Fi |
Yes 5 (802.11 a,ac,b,g,n) |
- | Yes |
Yes 5 (802.11 ac,b,g,n) |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | n/a |
| Ringer ID | n/a | - | 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 | - | n/a | n/a |
| Data & Network | ||||
| 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 Capacitive |
Yes Capacitive |
| Memory | ||||
| Memory Card Slot | Yes | 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 |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | Yes | - | Yes | Yes |
| Music Player | n/a | Yes | n/a | n/a |
| Stereo Speakers | - | Yes | - | - |
| Photo & Video | ||||
| DLNA | - | - | Yes | - |
| TV Output | Yes | - | - | - |
| Power | ||||
| Fast Charging | Yes | - | - | 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 | Yes | n/a | n/a |
| Software | ||||
| BREW | n/a | Yes | n/a | n/a |
| Games | n/a | Yes | n/a | n/a |
| Voice | ||||
| HD Voice | Yes | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| BlackBerry Key2 | Samsung Wafer R510 | Samsung Galaxy Attain 4G | ZTE Blade Max 3 / Max Blue | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | BlackBerry Key2 | Samsung Wafer R510 | Samsung Galaxy Attain 4G | ZTE Blade Max 3 / Max Blue |
