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| Phone | Nokia 6650 fold | Kyocera DuraForce Pro 3 | Motorola Rival A455 | BlackBerry Pearl 3G 9100 / 9105 | Nokia Lumia 521 / 520 | 
| Current U.S. Carriers | (none) | Verizon | (none) | (none) | (none) | 
| Global Availability | Released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 2.2" diag. 4 : 3 | 5.4" diag. 18 : 9 | 2.2" diag. 4 : 3 | 2.3" diag. 1 : 1 | 4" diag. 5 : 3 | 
| Display Resolution & Type | 240 x 320 pixels (~182 ppi) LCD (TFT/TFD) | 1080 x 2160 pixels (~449 ppi) AMOLED | 176 x 220 pixels (~131 ppi) LCD (TFT/TFD) | 360 x 400 pixels (~238 ppi) LCD (TFT/TFD) | 480 x 800 pixels (~233 ppi) LCD (TFT/TFD) | 
| Display Refresh | ? | 60 Hz | ? | ? | ? | 
| Battery | 1,500 mAh | 4,270 mAh | 940 mAh | 1,150 mAh | 1,430 mAh | 
| Processor | 369 MHz ARM 11 | 2.4 GHz Snapdragon 7 Gen 1 | ? | ? | 1 GHz Qualcomm Snapdragon S4 MSM8270 | 
| RAM | ? | 6 GB | ? | ? | 512 MB | 
| Storage | ? raw hardware | 128 GB | ? raw hardware | ? raw hardware | 8 GB | 
| Main Camera | 2 megapixel | 16 megapixel | 2 megapixel | 3 megapixel | 5 megapixel | 
| Wide Camera | - | 16 megapixel | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | QVGA (320 x 240) | 4K UHD | QVGA (320 x 240) | ? | 720p HD | 
| Front Camera | - | 8 megapixel | - | - | - | 
| Weight | 3.95 oz (112g) | 8.36 oz (237g) | 4.48 oz (127g) | 3.3 oz (94g) | 4.39 oz (124g) | 
| Dimensions | 3.93" x 1.86" x 0.64" (100 x 47 x 16.2 mm) | 6.06" x 2.95" x 0.57" (154 x 75 x 14.5 mm) | 3.82" x 1.96" x 0.73" (97 x 50 x 18.5 mm) | 4.25" x 1.96" x 0.52" (108 x 50 x 13.2 mm) | 4.72" x 2.52" x 0.39" (120 x 64 x 9.9 mm) | 
| Form Factor | Clamshell | Slab | Slide | Slab | Slab | 
| Platform / OS | S60 (Symbian) | Android | (proprietary) | BlackBerry OS | Windows | 
| Network Bands | 5G: 2, 5, 48, 66, 77-A, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 46, 48, 66 WCDMA: 1, 2, 5, 8 | CDMA: 850, 1900 | |||
| Data Technology | HSDPA 3.6 | NR (5G) | EVDO r0 | HSDPA 3.6 | HSPA+ 21 | 
| Features | |||||
| Barometer | - | Yes | - | - | - | 
| Fingerprint Reader | - | Yes stand-alone | - | - | - | 
| Flashlight | - | Yes | - | - | - | 
| GPS / Location | n/a | n/a | Yes | n/a | n/a | 
| Ruggedized | - | Yes | - | - | - | 
| Water-Resistant | - | Yes IPX8 (SCUBA) | - | - | - | 
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | - | n/a | n/a | 
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | Yes | 
| Multiple Languages | n/a | n/a | Yes | n/a | n/a | 
| TTY/TDD (Digital) | - | Yes | Yes | - | Yes | 
| Alerts | |||||
| Extra Display | Yes | - | - | - | - | 
| Ringer Profiles | Yes | - | - | Yes | - | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes Classic Audio | Yes | 
| Mobile Hotspot | n/a | n/a | - | n/a | n/a | 
| NFC | - | Yes | - | - | - | 
| USB | Yes Micro-USB | Yes USB Type C | Yes Micro-USB | Yes Micro-USB | Yes | 
| Wi-Fi | - | Yes 6E (802.11 a,ac,ax,b,g,n) | - | Yes 4 (802.11 b,g,n) | Yes | 
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | n/a | n/a | 
| Ringer ID | n/a | n/a | Yes | n/a | n/a | 
| Voice Dialing | n/a | n/a | Yes | n/a | n/a | 
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | n/a | 
| Custom Ringtones | n/a | n/a | Yes | n/a | n/a | 
| Real-Music Ringers | n/a | n/a | Yes | n/a | n/a | 
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | n/a | n/a | 
| Dual-SIM | - | Yes | - | - | - | 
| WAP / Web Browser | n/a | n/a | Yes | n/a | n/a | 
| Input | |||||
| Predictive Text Entry | n/a | n/a | - | n/a | n/a | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Text Keyboard, Hardware | - | - | Yes | Yes * | - | 
| Touch Screen | - | Yes | Yes | - | Yes | 
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | Yes | 
| Messaging | |||||
| Email Client | n/a | n/a | Yes | n/a | n/a | 
| EMS / Picture Messaging | n/a | n/a | Yes | n/a | n/a | 
| Instant Messaging | n/a | n/a | Yes | n/a | n/a | 
| MMS | n/a | n/a | Yes | n/a | n/a | 
| Text Messaging Templates | n/a | n/a | Yes | n/a | n/a | 
| Music | |||||
| Headphone Jack (3.5mm) | - | - | Yes | Yes | Yes | 
| Music Player | n/a | n/a | Yes | n/a | n/a | 
| Stereo Speakers | - | Yes | - | - | - | 
| Photo & Video | |||||
| Miracast | - | Yes | - | - | - | 
| Power | |||||
| Fast Charging | - | Yes | - | - | - | 
| Wireless Charging | - | Yes | - | - | - | 
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | n/a | 
| Calculator | n/a | n/a | Yes | n/a | n/a | 
| Calendar | n/a | n/a | Yes | n/a | n/a | 
| To-Do List | n/a | n/a | - | n/a | n/a | 
| Voice Memo | n/a | n/a | Yes | n/a | n/a | 
| Software | |||||
| BREW | n/a | n/a | Yes | n/a | n/a | 
| Games | n/a | n/a | Yes | n/a | n/a | 
| Java (J2ME) | n/a | n/a | - | n/a | n/a | 
| Voice | |||||
| HD Voice | - | Yes | - | - | - | 
| Headset Jack (2.5 mm) | n/a | n/a | - | n/a | n/a | 
| Push-To-Talk | - | Yes | - | - | - | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| * Some versions only | |||||
| Nokia 6650 fold | Kyocera DuraForce Pro 3 | Motorola Rival A455 | BlackBerry Pearl 3G 9100 / 9105 | Nokia Lumia 521 / 520 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Nokia 6650 fold | Kyocera DuraForce Pro 3 | Motorola Rival A455 | BlackBerry Pearl 3G 9100 / 9105 | Nokia Lumia 521 / 520 | 
 



