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| Phone | Sony Xperia Z Ultra | Huawei Ascend II | Kyocera Slider Remix KX5 / Slider Sonic | Motorola Defy (2010) | LG AX-390 / UX-390 | 
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) | 
| Global Availability | Not yet released | Released | Released | Released | Released | 
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | 6.4" diag. 16 : 9 | 3.5" diag. 5 : 3 | ? | 3.6" diag. 16 : 9 | ? | 
| Display Resolution & Type | 1080 x 1920 pixels (~344 ppi) LCD (TFT/TFD) | 320 x 480 pixels (~165 ppi) LCD (TFT/TFD) | 176 x 220 pixels LCD (TFT/TFD) | 480 x 854 pixels (~272 ppi) LCD (TFT/TFD) | 128 x 128 pixels LCD (STN) | 
| Display Refresh | 60 Hz | 60 Hz | ? | 60 Hz | ? | 
| Battery | 3,050 mAh | 1,400 mAh | 900 mAh | 1,540 mAh | 1,000 mAh | 
| Processor | 2.2 GHz Qualcomm Snapdragon 800 MSM8974 | 600 MHz Qualcomm S1 MSM7627 | ? | 800 MHz TI OMAP3610 | ? | 
| RAM | 2 GB | ? | ? | ? | ? | 
| Storage | 16 GB | ? raw hardware | ? raw hardware | ? raw hardware | ? raw hardware | 
| Main Camera | 8 megapixel | 5 megapixel | 1 megapixel | 5 megapixel | - | 
| Wide Camera | - | - | - | - | - | 
| Tele Camera | - | - | - | - | - | 
| Video Capture | 1080p HD | VGA (640 x 480) | ? | ? | - | 
| Front Camera | 2 megapixel | - | - | - | - | 
| Weight | 7.48 oz (212g) | 4.1 oz (116g) | 3.88 oz (110g) | 4.16 oz (118g) | 3.74 oz (106g) | 
| Dimensions | 7.06" x 3.63" x 0.26" (179 x 92 x 6.5 mm) | 4.6" x 2.4" x 0.5" (117 x 61 x 12.7 mm) | 3.89" x 1.85" x 0.9" (99 x 47 x 22.9 mm) | 4.21" x 2.32" x 0.53" (107 x 59 x 13.4 mm) | 3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm) | 
| Form Factor | Slab | Slab | Slide | Slab | Clamshell | 
| Platform / OS | Android | Android | (proprietary) | Android | (proprietary) | 
| Network Bands | CDMA: 850, 1700, 1900 | WCDMA: 1, 4, 5 GSM: 850, 900, 1800, 1900 | CDMA: 850, 1900 AMPS: 850 | ||
| Data Technology | LTE (Cat 4) | EVDO rA | 1xRTT | HSPA 7.2 | 1xRTT | 
| Features | |||||
| GPS / Location | n/a | n/a | Yes | n/a | Yes | 
| Ruggedized | Yes | - | - | Yes | - | 
| Water-Resistant | Yes | - | - | - | - | 
| Accessibility | |||||
| Adjustable Text Size | n/a | n/a | - | n/a | - | 
| Hearing Aid Compatible | Yes | Yes | Yes | - | Yes | 
| Multiple Languages | n/a | n/a | - | n/a | Yes | 
| TTY/TDD (Digital) | - | Yes | Yes | Yes | Yes | 
| Alerts | |||||
| Extra Display | - | - | - | - | Yes | 
| Connectivity | |||||
| Bluetooth | Yes Classic Audio | Yes Classic Audio | Yes * Classic Audio | Yes Classic Audio | - | 
| MirrorLink | Yes | - | - | - | - | 
| Mobile Hotspot | n/a | n/a | - | n/a | - | 
| NFC | Yes | - | - | - | - | 
| USB | Yes Micro-USB | Yes Micro-USB | - | Yes Micro-USB | - | 
| Wi-Fi | Yes | Yes 4 (802.11 b,g,n) | - | Yes 4 (802.11 b,g,n) | - | 
| Contacts | |||||
| Picture ID | n/a | n/a | Yes | n/a | Yes | 
| Ringer ID | n/a | n/a | Yes | n/a | - | 
| Voice Dialing | n/a | n/a | Yes | n/a | Yes | 
| Customization | |||||
| Custom Graphics | n/a | n/a | Yes | n/a | Yes | 
| Custom Ringtones | n/a | n/a | Yes | n/a | Yes | 
| Real-Music Ringers | n/a | n/a | - | n/a | Yes | 
| Data & Network | |||||
| Data Tethering | n/a | n/a | Yes | n/a | - | 
| WAP / Web Browser | n/a | n/a | Yes | n/a | Yes | 
| Input | |||||
| Predictive Text Entry | n/a | n/a | Yes | n/a | Yes | 
| Side Keys | Yes | Yes | Yes | Yes | Yes | 
| Touch Screen | Yes | Yes | - | Yes | - | 
| Memory | |||||
| Memory Card Slot | Yes | Yes | Yes | Yes | - | 
| Messaging | |||||
| Email Client | n/a | n/a | - | n/a | - | 
| EMS / Picture Messaging | n/a | n/a | Yes | n/a | - | 
| Instant Messaging | n/a | n/a | Yes * | n/a | - | 
| MMS | n/a | n/a | Yes | n/a | Yes | 
| Music | |||||
| FM Radio | Yes | - | - | Yes | - | 
| Headphone Jack (3.5mm) | Yes | Yes | - | Yes | - | 
| Music Player | n/a | n/a | Yes | n/a | - | 
| Photo & Video | |||||
| DLNA | Yes | - | - | Yes | - | 
| Miracast | Yes | - | - | - | - | 
| TV Output | Yes | - | - | - | - | 
| Productivity | |||||
| Alarm | n/a | n/a | Yes | n/a | Yes | 
| Calculator | n/a | n/a | Yes | n/a | Yes | 
| Calendar | n/a | n/a | Yes | n/a | Yes | 
| To-Do List | n/a | n/a | - | n/a | - | 
| Voice Memo | n/a | n/a | Yes * | n/a | Yes | 
| Software | |||||
| BREW | n/a | n/a | Yes * | n/a | Yes | 
| Games | n/a | n/a | Yes | n/a | Yes | 
| Java (J2ME) | n/a | n/a | Yes * | n/a | - | 
| Voice | |||||
| Headset Jack (2.5 mm) | n/a | n/a | Yes | n/a | Yes | 
| Push-To-Talk | - | - | - | - | Yes | 
| Speaker Phone | Yes | Yes | Yes | Yes | Yes | 
| * Some versions only | |||||
| Sony Xperia Z Ultra | Huawei Ascend II | Kyocera Slider Remix KX5 / Slider Sonic | Motorola Defy (2010) | LG AX-390 / UX-390 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
|  |  |  |  |  | |
| Phone | Sony Xperia Z Ultra | Huawei Ascend II | Kyocera Slider Remix KX5 / Slider Sonic | Motorola Defy (2010) | LG AX-390 / UX-390 | 
 







