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| Phone | Sony Ericsson K850 | BlackBerry 8820 | ZTE Blade X1 5G | Sharp Sidekick LX 2007 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
? |
6.5" diag. 19.5 : 9 |
3" diag. 5 : 3 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
320 x 240 pixels LCD (TFT/TFD) |
1080 x 2340 pixels (~396 ppi) LCD (TFT/TFD) |
400 x 240 pixels (~155 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 60 Hz | ? |
| Battery | ? | 1,400 mAh | 4,000 mAh | 1,540 mAh |
| Processor | ? | ? | 2.4 GHz Qualcomm Snapdragon 765G | 200 MHz OMAP 331 |
| RAM | ? | ? | 6 GB | ? |
| Storage | ? raw hardware | ? raw hardware | 128 GB | ? raw hardware |
| Main Camera | 5 megapixel | - | 48 megapixel | 1 megapixel |
| Wide Camera | - | - | 8 megapixel | - |
| Tele Camera | - | - | - | - |
| Video Capture | ? | - | 4K UHD | ? |
| Front Camera | - | - | 16 megapixel | - |
| Weight |
4.2 oz (119g) |
4.73 oz (134g) |
6.7 oz (190g) |
5.7 oz (162g) |
| Dimensions |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
4.49" x 2.6" x 0.55" (114 x 66 x 14 mm) |
6.46" x 2.99" x 0.36" (164 x 76 x 9.2 mm) |
5.12" x 2.36" x 0.7" (130 x 60 x 17.9 mm) |
| Form Factor | Slab | Slab | Slab | Swivel |
| Platform / OS | (proprietary) | BlackBerry OS | Android | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
GSM: 850, 900, 1800, 1900 |
5G: 2, 5, 66 4G LTE: 2, 4, 5, 12, 13, 66 |
GSM: 850, 900, 1800, 1900 |
| Data Technology | HSDPA 3.6 | EDGE | NR (5G) | EDGE |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- |
| Flashlight | - | - | Yes | Yes |
| Accessibility | ||||
| Adjustable Text Size | - | n/a | n/a | Yes |
| Hearing Aid Compatible | - | - |
Yes M4, T4 (very tele-coil compatible) |
Yes M3 (mostly compatible) |
| Multiple Languages | Yes | n/a | n/a | - |
| TTY/TDD (Digital) | Yes | Yes | Yes | - |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | Yes |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| NFC | - | - | Yes | - |
| USB | Yes |
Yes Mini-USB |
Yes USB Type C |
Yes |
| Wi-Fi | - | Yes |
Yes 5 (802.11 a,ac,b,g,n) |
- |
| Contacts | ||||
| Picture ID | Yes | n/a | n/a | Yes |
| Ringer ID | Yes | n/a | n/a | Yes |
| Voice Dialing | Yes | n/a | n/a | - |
| Customization | ||||
| Custom Graphics | Yes | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | Yes |
| Data & Network | ||||
| Data Tethering | Yes | n/a | n/a | - |
| WAP / Web Browser | Yes | n/a | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | n/a | n/a | - |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | Yes |
| Touch Screen | - | - |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | Yes | Yes | Yes |
| Messaging | ||||
| Email Client | Yes | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | Yes |
| MMS | Yes | n/a | n/a | Yes |
| Text Messaging Templates | Yes | n/a | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | - | Yes | Yes |
| Music Player | Yes | n/a | n/a | Yes |
| Photo & Video | ||||
| Video Calling | Yes * | n/a | n/a | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | n/a | n/a | Yes * |
| Calculator | Yes | n/a | n/a | - |
| Calendar | Yes | n/a | n/a | Yes |
| To-Do List | Yes | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | - |
| Software | ||||
| Games | Yes | n/a | n/a | Yes |
| Java (J2ME) | Yes | n/a | n/a | Yes |
| Voice | ||||
| HD Voice | - | - | Yes | - |
| Push-To-Talk | - | Yes * | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Sony Ericsson K850 | BlackBerry 8820 | ZTE Blade X1 5G | Sharp Sidekick LX 2007 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson K850 | BlackBerry 8820 | ZTE Blade X1 5G | Sharp Sidekick LX 2007 |
