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| Phone | LG K4 / Optimus Zone 3 / Rebel | ZTE ZMAX 2 | Kyocera DuraForce Pro 3 | 
| Current U.S. Carriers | (none) | (none) | Verizon | 
| Global Availability | Released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | 
			4.5" diag. 16 : 9  | 
		
		
			5.5" diag. 16 : 9  | 
		
		
			5.4" diag. 18 : 9  | 
	
| Display Resolution & Type | 
			480 x 854 pixels (~218 ppi) LCD (TFT/TFD)  | 
		
		
			720 x 1280 pixels (~267 ppi) LCD (TFT/TFD)  | 
		
		
			1080 x 2160 pixels (~449 ppi) AMOLED  | 
	
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 
| Battery | 1,940 mAh | 3,000 mAh | 4,270 mAh | 
| Processor | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909) | 1.2 GHz Qualcomm Snapdragon 400 (MSM8916) | 2.4 GHz Snapdragon 7 Gen 1 | 
| RAM | 1.5 GB | 2 GB | 6 GB | 
| Storage | 16 GB * | 16 GB | 128 GB | 
| Main Camera | 5 megapixel | 8 megapixel | 16 megapixel | 
| Wide Camera | - | - | 16 megapixel | 
| Tele Camera | - | - | - | 
| Video Capture | 720p HD | 720p HD | 4K UHD | 
| Front Camera | 2 megapixel | 2 megapixel | 8 megapixel | 
| Weight | 
			3.99 oz (113g)  | 
		
		
			5.99 oz (170g)  | 
		
		
			8.36 oz (237g)  | 
	
| Dimensions | 
			5.19" x 2.62" x 0.35" (132 x 67 x 8.9 mm)  | 
		
		
			6.06" x 2.99" x 0.37" (154 x 76 x 9.4 mm)  | 
		
		
			6.06" x 2.95" x 0.57" (154 x 75 x 14.5 mm)  | 
	
| Platform / OS | Android | Android | Android | 
| Network Bands | 
			 5G: 2, 5, 48, 66, 77-A, 77-C, 78, 260, 261 4G LTE: 1, 2, 3, 4, 5, 7, 12, 13, 46, 48, 66 WCDMA: 1, 2, 5, 8  | 
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| Data Technology | LTE (Cat 3) | LTE (Cat 4) | NR (5G) | 
| Features | |||
| Barometer | - | - | Yes | 
| Fingerprint Reader | - | - | 
			Yes stand-alone  | 
	
| Flashlight | Yes | - | Yes | 
| Ruggedized | - | - | Yes | 
| Water-Resistant | - | - | 
			Yes IPX8 (SCUBA)  | 
	
| Accessibility | |||
| Hearing Aid Compatible | Yes | Yes | Yes | 
| TTY/TDD (Digital) | Yes | Yes | Yes | 
| Connectivity | |||
| Bluetooth | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| NFC | - | - | Yes | 
| USB | 
			Yes Micro-USB  | 
		
		
			Yes Micro-USB  | 
		
		
			Yes USB Type C  | 
	
| Wi-Fi | 
			Yes 4 (802.11 b,g,n)  | 
		
		
			Yes 4 (802.11 b,g,n)  | 
		
		
			Yes 6E (802.11 a,ac,ax,b,g,n)  | 
	
| Data & Network | |||
| Dual-SIM | - | - | Yes | 
| Input | |||
| Side Keys | Yes | Yes | Yes | 
| Touch Screen | Yes | Yes | Yes | 
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes | 
| Music | |||
| Headphone Jack (3.5mm) | Yes | Yes | - | 
| Stereo Speakers | - | - | Yes | 
| Photo & Video | |||
| Miracast | Yes | - | Yes | 
| Power | |||
| Fast Charging | - | - | Yes | 
| Wireless Charging | - | - | Yes | 
| Voice | |||
| HD Voice | Yes * | - | Yes | 
| Push-To-Talk | - | - | Yes | 
| Speaker Phone | Yes | Yes | Yes | 
| * Some versions only | |||
| LG K4 / Optimus Zone 3 / Rebel | ZTE ZMAX 2 | Kyocera DuraForce Pro 3 | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | LG K4 / Optimus Zone 3 / Rebel | ZTE ZMAX 2 | Kyocera DuraForce Pro 3 | 











