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| Phone | LG K4 / Optimus Zone 3 / Rebel | LG AX-490 | Samsung Galaxy S21 | Kyocera DuraPlus |
| Current U.S. Carriers | (none) | (none) | Verizon | (none) |
| Global Availability | Released | Released | Released | Released |
| Specifications | ||||
|---|---|---|---|---|
| Display Size |
4.5" diag. 16 : 9 |
? |
6.2" diag. 20 : 9 |
2" diag. 4 : 3 |
| Display Resolution & Type |
480 x 854 pixels (~218 ppi) LCD (TFT/TFD) |
128 x 160 pixels LCD (TFT/TFD) |
1080 x 2400 pixels (~424 ppi) AMOLED |
240 x 320 pixels (~200 ppi) LCD (TFT/TFD) |
| Display Refresh | 60 Hz | ? | 120 Hz | ? |
| Battery | 1,940 mAh | 1,100 mAh | 4,000 mAh | 1,650 mAh |
| Processor | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | ? | 2.8 GHz Qualcomm Snapdragon 888 | ? |
| RAM | 1.5 GB | ? | 8 GB | 128 MB |
| Storage | 16 GB * | ? raw hardware | 128 GB * | 256 MB |
| Main Camera | 5 megapixel | Yes | 12 megapixel | - |
| Wide Camera | - | - | 12 megapixel | - |
| Tele Camera | - | - | 64 megapixel | - |
| Video Capture | 720p HD | - | 8K | - |
| Front Camera | 2 megapixel | - | 10 megapixel | - |
| Weight |
3.99 oz (113g) |
3.79 oz (107g) |
6.03 oz (171g) |
6.67 oz (189g) |
| Dimensions |
5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm) |
3.74" x 1.92" x 1" (95 x 49 x 25.4 mm) |
5.97" x 2.8" x 0.31" (152 x 71 x 7.9 mm) |
5.28" x 2.17" x 0.93" (134 x 55 x 23.6 mm) |
| Form Factor | Slab | Clamshell | Slab | Slab |
| Platform / OS | Android | (proprietary) | 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, 4, 5, 8 CDMA: 800, 850, 1900 GSM: 850, 900, 1800, 1900 |
CDMA: 800, 850, 1900 |
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| Data Technology | LTE (Cat 3) | 1xRTT | NR (5G) | EVDO rA |
| Features | ||||
| Barometer | - | - | Yes | - |
| Fingerprint Reader | - | - |
Yes in-display (ultrasonic) |
- |
| Flashlight | Yes | - | Yes | Yes |
| GPS / Location | n/a | Yes | n/a | Yes |
| Ruggedized | - | - | - | Yes |
| Water-Resistant | - | - |
Yes IPX8 (SCUBA) |
Yes |
| Accessibility | ||||
| Adjustable Text Size | n/a | - | n/a | Yes |
| Hearing Aid Compatible |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M3 (mostly compatible) |
Yes M3, T3 (mostly tele-coil compatible) |
Yes M4, T4 (very tele-coil compatible) |
| Multiple Languages | n/a | Yes | n/a | Yes |
| TTY/TDD (Digital) | Yes | Yes | Yes | Yes |
| Alerts | ||||
| Extra Display | - | Yes | - | - |
| Connectivity | ||||
| Bluetooth | Yes | Yes | Yes | Yes |
| Mobile Hotspot | n/a | - | n/a | - |
| NFC | - | - | Yes | - |
| USB |
Yes Micro-USB |
Yes |
Yes USB Type C |
Yes Micro-USB |
| Wi-Fi |
Yes 4 (802.11 b,g,n) |
- |
Yes 6 (802.11 a,ac,ax,b,g,n) |
- |
| Contacts | ||||
| Picture ID | n/a | Yes | n/a | - |
| Ringer ID | n/a | Yes | n/a | Yes |
| Voice Dialing | n/a | Yes | n/a | Yes |
| Customization | ||||
| Custom Graphics | n/a | Yes | n/a | Yes |
| Custom Ringtones | n/a | Yes | n/a | Yes |
| Real-Music Ringers | n/a | Yes | n/a | - |
| Data & Network | ||||
| Data Tethering | n/a | Yes | n/a | - |
| WAP / Web Browser | n/a | Yes | n/a | Yes |
| Input | ||||
| Predictive Text Entry | n/a | - | n/a | Yes |
| Side Keys | Yes | Yes | Yes | Yes |
| Text Keyboard, Hardware | - | Yes | - | - |
| Touch Screen |
Yes Capacitive |
- |
Yes Capacitive |
- |
| Memory | ||||
| Memory Card Slot | Yes | - | - | - |
| Messaging | ||||
| Email Client | n/a | - | n/a | - |
| Instant Messaging | n/a | - | n/a | - |
| MMS | n/a | Yes | n/a | Yes |
| Text Messaging Templates | n/a | Yes | n/a | Yes |
| Music | ||||
| Headphone Jack (3.5mm) | Yes | - | - | - |
| Music Player | n/a | - | n/a | - |
| Stereo Speakers | - | Yes | Yes | - |
| Photo & Video | ||||
| Miracast | Yes | - | - | - |
| TV Output | - | - | Yes | - |
| Power | ||||
| Fast Charging | - | - | Yes | - |
| Wireless Charging | - | - | Yes | - |
| Productivity | ||||
| Alarm | n/a | Yes | n/a | Yes |
| Calculator | n/a | Yes | n/a | Yes |
| Calendar | n/a | Yes | n/a | Yes |
| Voice Memo | n/a | Yes | n/a | Yes |
| Software | ||||
| BREW | n/a | Yes | n/a | Yes |
| Games | n/a | Yes | n/a | Yes |
| Java (J2ME) | n/a | - | n/a | Yes |
| Voice | ||||
| HD Voice | Yes * | - | Yes | - |
| Headset Jack (2.5 mm) | n/a | Yes | n/a | Yes |
| Push-To-Talk | - | - | - | Yes |
| Speaker Phone | Yes | Yes | Yes | Yes |
| * Some versions only | ||||
| LG K4 / Optimus Zone 3 / Rebel | LG AX-490 | Samsung Galaxy S21 | Kyocera DuraPlus | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG K4 / Optimus Zone 3 / Rebel | LG AX-490 | Samsung Galaxy S21 | Kyocera DuraPlus |
