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| Phone | LG AX-390 / UX-390 | LG K4 / Optimus Zone 3 / Rebel | Samsung Galaxy Z Fold3 | Sony Xperia ion | Kyocera K404 |
| Current U.S. Carriers | (none) | (none) | (none) | (none) | (none) |
| Global Availability | Released | Released | Released | Released | Released |
| Specifications | |||||
|---|---|---|---|---|---|
| Display Size | ? |
4.5" diag. 16 : 9 |
7.6" diag. 4 : 3 |
4.6" diag. 16 : 9 |
? |
| Display Resolution & Type |
128 x 128 pixels LCD (STN) |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
1768 x 2208 pixels (~372 ppi) AMOLED |
720 x 1280 pixels (~323 ppi) LCD (TFT/TFD) |
104 x 90 pixels LCD (STN) |
| Display Refresh | ? | 60 Hz | 120 Hz | 60 Hz | ? |
| Battery | 1,000 mAh | 1,940 mAh | 4,400 mAh | 1,900 mAh | 900 mAh |
| Processor | ? | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | Qualcomm Snapdragon 888 | 1.5 GHz Qualcomm Snapdragon S3 MSM8260 | ? |
| RAM | ? | 1.5 GB | 12 GB | 1 GB | ? |
| Storage | ? raw hardware | 16 GB * | 256 GB * | 16 GB | ? raw hardware |
| Main Camera | - | 5 megapixel | 12 megapixel | 12 megapixel | - |
| Wide Camera | - | - | 12 megapixel | - | - |
| Tele Camera | - | - | 12 megapixel | - | - |
| Video Capture | - | 720p HD | 4K UHD | 1080p HD | - |
| Front Camera | - | 2 megapixel | 10 megapixel | 1 megapixel | - |
| Weight |
3.74 oz (106g) |
3.99 oz (113g) |
9.56 oz (271g) |
5.1 oz (145g) |
3.52 oz (100g) |
| Dimensions |
3.82" x 1.98" x 0.94" (97 x 50 x 23.9 mm) |
5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) |
6.23" x 2.64" x 0.63" (158 x 67 x 16 mm) |
5.2" x 2.7" x 0.4" (132 x 69 x 10.2 mm) |
4.45" x 1.89" x 0.91" (113 x 48 x 23.1 mm) |
| Form Factor | Clamshell | Slab | Foldable | Slab | Slab |
| Platform / OS | (proprietary) | Android | Android | Android | (proprietary) |
| Network Bands |
CDMA: 850, 1900 AMPS: 850 |
5G: 2, 5, 12, 25, 30, 41, 66, 71, 77-C, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 8, 12, 13, 14, 18, 19, 20, 25, 26, 28, 29, 30, 38, 39, 40, 41, 46, 48, 66, 71 WCDMA: 1, 2, 3, 4, 5, 8 GSM: 850, 900, 1800, 1900 |
4G LTE: 4, 17 WCDMA: 1, 2, 4, 5 GSM: 850, 900, 1800, 1900 |
CDMA: 850, 1900 AMPS: 850 |
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| Data Technology | 1xRTT | LTE (Cat 3) | NR (5G) | LTE (Cat 3) | 1xRTT |
| Features | |||||
| Barometer | - | - | Yes | - | - |
| Fingerprint Reader | - | - |
Yes stand-alone |
- | - |
| Flashlight | - | Yes | Yes | - | Yes |
| GPS / Location | Yes | n/a | n/a | n/a | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
- | - |
| Accessibility | |||||
| Adjustable Text Size | - | n/a | n/a | n/a | - |
| Hearing Aid Compatible | Yes | Yes | Yes | Yes | - |
| Multiple Languages | Yes | n/a | n/a | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | - | Yes |
| Alerts | |||||
| Extra Display | Yes | - | Yes | - | - |
| Connectivity | |||||
| Bluetooth | - | Yes | Yes | Yes | - |
| Mobile Hotspot | - | n/a | n/a | n/a | - |
| NFC | - | - | Yes | - | - |
| USB | - |
Yes Micro-USB |
Yes USB Type C |
Yes | - |
| UWB | - | - | Yes | - | - |
| Wi-Fi | - |
Yes 4 (802.11 b,g,n) |
Yes 6 (802.11 a,ac,ax,b,g,n) |
Yes | - |
| Contacts | |||||
| Picture ID | Yes | n/a | n/a | n/a | - |
| Ringer ID | - | n/a | n/a | n/a | - |
| Voice Dialing | Yes | n/a | n/a | n/a | Yes |
| Customization | |||||
| Changeable Body Plates | - | - | - | - | Yes |
| Custom Graphics | Yes | n/a | n/a | n/a | Yes |
| Custom Ringtones | Yes | n/a | n/a | n/a | Yes |
| Real-Music Ringers | Yes | n/a | n/a | n/a | - |
| Data & Network | |||||
| Data Tethering | - | n/a | n/a | n/a | - |
| Dual-SIM | - | - | Yes | - | - |
| WAP / Web Browser | Yes | n/a | n/a | n/a | - |
| Input | |||||
| Predictive Text Entry | Yes | n/a | n/a | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes | - |
| Touch Screen | - | Yes | Yes | Yes | - |
| Memory | |||||
| Memory Card Slot | - | Yes | - | Yes | - |
| Messaging | |||||
| Email Client | - | n/a | n/a | n/a | - |
| EMS / Picture Messaging | - | n/a | n/a | n/a | Yes |
| Instant Messaging | - | n/a | n/a | n/a | - |
| MMS | Yes | n/a | n/a | n/a | - |
| Text Messaging Templates | - | n/a | n/a | n/a | - |
| Music | |||||
| FM Radio | - | - | - | Yes | - |
| Headphone Jack (3.5mm) | - | Yes | - | Yes | - |
| Music Player | - | n/a | n/a | n/a | - |
| Stereo Speakers | - | - | Yes | - | - |
| Photo & Video | |||||
| DLNA | - | - | - | Yes | - |
| Miracast | - | Yes | - | - | - |
| TV Output | - | - | Yes | Yes | - |
| Power | |||||
| Fast Charging | - | - | Yes | - | - |
| Wireless Charging | - | - | Yes | - | - |
| Productivity | |||||
| Alarm | Yes | n/a | n/a | n/a | Yes |
| Calculator | Yes | n/a | n/a | n/a | Yes |
| Calendar | Yes | n/a | n/a | n/a | Yes |
| Voice Memo | Yes | n/a | n/a | n/a | - |
| Software | |||||
| BREW | Yes | n/a | n/a | n/a | - |
| Games | Yes | n/a | n/a | n/a | Yes * |
| Voice | |||||
| HD Voice | - | Yes * | Yes | - | - |
| Headset Jack (2.5 mm) | Yes | n/a | n/a | n/a | Yes |
| Push-To-Talk | Yes | - | - | - | - |
| Speaker Phone | Yes | Yes | Yes | Yes | - |
| * Some versions only | |||||
| LG AX-390 / UX-390 | LG K4 / Optimus Zone 3 / Rebel | Samsung Galaxy Z Fold3 | Sony Xperia ion | Kyocera K404 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG AX-390 / UX-390 | LG K4 / Optimus Zone 3 / Rebel | Samsung Galaxy Z Fold3 | Sony Xperia ion | Kyocera K404 |
