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| Phone | Sony Ericsson K850 | Sharp Sidekick LX 2009 | Apple iPhone 13 Pro Max | Amazon Fire |
| Current U.S. Carriers | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
2.2" diag. 4 : 3 |
3.2" diag. 16 : 9 |
6.7" diag. 19.5 : 9 |
4.7" diag. 16 : 9 |
| Display Resolution & Type |
240 x 320 pixels (~182 ppi) LCD (TFT/TFD) |
854 x 480 pixels (~306 ppi) LCD (TFT/TFD) |
1284 x 2778 pixels (~457 ppi) AMOLED |
720 x 1280 pixels (~312 ppi) LCD (TFT/TFD) |
| Display Refresh | ? | ? | 120 Hz | ? |
| Battery | ? | 1,250 mAh | 4,352 mAh | 2,400 mAh |
| Processor | ? | ? | Apple A15 Bionic | 2.2 GHz Qualcomm Snapdragon 800 |
| RAM | ? | ? | 6 GB | 2 GB |
| Storage | ? raw hardware | ? raw hardware | 128 GB * | 32 GB * |
| Main Camera | 5 megapixel | 3 megapixel | 12 megapixel | 13 megapixel |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 12 megapixel | - |
| Video Capture | ? | QVGA (320 x 240) | 4K UHD | 1080p HD |
| Front Camera | - | - | 12 megapixel | 2 megapixel |
| Weight |
4.2 oz (119g) |
5.78 oz (164g) |
8.46 oz (240g) |
5.64 oz (160g) |
| Dimensions |
4" x 1.9" x 0.7" (102 x 48 x 17.8 mm) |
5.12" x 2.36" x 0.63" (130 x 60 x 16 mm) |
6.33" x 3.07" x 0.3" (161 x 78 x 7.6 mm) |
5.5" x 2.6" x 0.35" (140 x 66 x 8.9 mm) |
| Form Factor | Slab | Swivel | Slab | Slab |
| Platform / OS | (proprietary) | (proprietary) | iOS | (proprietary) |
| Network Bands |
WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900 |
WCDMA: 1, 4 GSM: 850, 900, 1800, 1900 |
5G: 1, 2, 3, 5, 7, 8, 12, 20, 25, 28, 29, 30, 38, 40, 41, 48, 66, 71, 77-C, 78, 258, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 32, 34, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 4, 5, 8 CDMA: 800, 850, 1900 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 |
| Data Technology | HSDPA 3.6 | HSPA 7.2 | NR (5G) | LTE (Cat 4) |
| Features | ||||
| Barometer | - | - | Yes | - |
| Flashlight | - | - | Yes | Yes |
| GPS / Location | - | Yes | n/a | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- |
| Accessibility | ||||
| Adjustable Text Size | - | Yes | n/a | - |
| Hearing Aid Compatible | - | Yes | Yes | Yes |
| Multiple Languages | Yes | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | - | Yes | Yes |
| Alerts | ||||
| Ringer Profiles | Yes | Yes | - | - |
| Connectivity | ||||
| Bluetooth |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
Yes Classic Audio |
| Mobile Hotspot | - | - | n/a | Yes |
| NFC | - | - | Yes | Yes |
| USB | Yes | Yes | - |
Yes Micro-USB |
| UWB | - | - | Yes | - |
| Wi-Fi | - | - |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes 5 (802.11 a,ac,b,g,n) |
| Contacts | ||||
| Picture ID | Yes | Yes | n/a | Yes |
| Ringer ID | Yes | Yes | n/a | Yes |
| Voice Dialing | Yes | - | n/a | Yes |
| Customization | ||||
| Custom Graphics | Yes | Yes | n/a | - |
| Custom Ringtones | Yes | Yes | n/a | Yes |
| Real-Music Ringers | Yes | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | Yes | - | n/a | Yes |
| Dual-SIM | - | - | Yes | - |
| WAP / Web Browser | Yes | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | Yes | - | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen | - | - | Yes | Yes |
| Memory | ||||
| Memory Card Slot | Yes | Yes | - | - |
| Messaging | ||||
| Email Client | Yes | Yes | n/a | Yes |
| Instant Messaging | - | Yes | n/a | - |
| MMS | Yes | Yes | n/a | Yes |
| Text Messaging Templates | Yes | Yes | n/a | Yes |
| Music | ||||
| FM Radio | Yes | - | - | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes |
| Music Player | Yes | Yes | n/a | Yes |
| Stereo Speakers | - | - | Yes | Yes |
| Photo & Video | ||||
| Miracast | - | - | - | Yes |
| TV Output | - | - | - | Yes |
| Video Calling | Yes * | - | n/a | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | Yes | Yes | n/a | Yes |
| Calculator | Yes | - | n/a | Yes |
| Calendar | Yes | Yes | n/a | Yes |
| To-Do List | Yes | Yes | n/a | - |
| Voice Memo | Yes | - | n/a | Yes |
| Software | ||||
| Games | Yes | Yes | n/a | Yes |
| Java (J2ME) | Yes | Yes | n/a | - |
| Voice | ||||
| HD Voice | - | - | Yes | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| Sony Ericsson K850 | Sharp Sidekick LX 2009 | Apple iPhone 13 Pro Max | Amazon Fire | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Sony Ericsson K850 | Sharp Sidekick LX 2009 | Apple iPhone 13 Pro Max | Amazon Fire |
