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| Phone | Nuu F4L | ZTE Grand X | Coolpad Illumina / Legacy Go | 
| Current U.S. Carriers | (none) | (none) | (none) | 
| Global Availability | Not yet released | Released | Released | 
| Specifications | |||
|---|---|---|---|
| Display Size | 
			2.8" diag. 4 : 3  | 
		
		
			5" diag. 16 : 9  | 
		
		
			5" diag. 16 : 9  | 
	
| Display Resolution & Type | 
			240 x 320 pixels (~143 ppi) LCD (STN)  | 
		
		
			540 x 960 pixels (~220 ppi) LCD (TFT/TFD)  | 
		
		
			480 x 854 pixels (~196 ppi) LCD (TFT/TFD)  | 
	
| Display Refresh | 60 Hz | 60 Hz | 60 Hz | 
| Battery | 1,350 mAh | 2,300 mAh | 2,150 mAh | 
| Processor | 1.1 GHz MediaTek MT6731 | 1.2 GHz Qualcomm Snapdragon 200 MSM8210 | 1.1 GHz Qualcomm Snapdragon 210 (MSM8909-6) | 
| RAM | 512 MB | 1 GB | 1 GB | 
| Storage | 4 GB | 4 GB | 8 GB | 
| Main Camera | 2 megapixel | 5 megapixel | 5 megapixel | 
| Wide Camera | - | - | - | 
| Tele Camera | - | - | - | 
| Video Capture | 720p HD | 720p HD | 1080p HD | 
| Front Camera | Yes | 1 megapixel | 2 megapixel | 
| Weight | 
			4.5 oz (128g)  | 
		
		
			6.06 oz (172g)  | 
		
		
			4.9 oz (139g)  | 
	
| Dimensions | 
			4.31" x 2.27" x 0.83" (109 x 58 x 21 mm)  | 
		
		
			5.7" x 2.87" x 0.37" (145 x 73 x 9.4 mm)  | 
		
		
			5.8" x 2.89" x 0.39" (147 x 73 x 9.9 mm)  | 
	
| Form Factor | Clamshell | Slab | Slab | 
| Platform / OS | (proprietary) | Android | Android | 
| Network Bands | 
			 4G LTE: 2, 4, 5, 12, 13, 66 WCDMA: 2, 4, 5 GSM: 850, 1900  | 
		
		
			 WCDMA: 1, 2, 5 GSM: 850, 900, 1800, 1900  | 
		
		
			 4G LTE: 2, 4, 5, 12, 13, 25, 26, 41 CDMA: 800, 850, 1900  | 
	
| Data Technology | LTE (Cat 4) | HSPA+ 21 | LTE (Cat 4) | 
| Features | |||
| Flashlight | Yes | - | Yes | 
| GPS / Location | Yes | n/a | n/a | 
| Accessibility | |||
| Adjustable Text Size | Yes | n/a | n/a | 
| Hearing Aid Compatible | Yes | Yes | Yes | 
| Multiple Languages | Yes | n/a | n/a | 
| TTY/TDD (Digital) | Yes | Yes | Yes | 
| Alerts | |||
| Extra Display | Yes | - | - | 
| Connectivity | |||
| Bluetooth | Yes | 
			Yes Classic Audio  | 
		
		
			Yes Classic Audio  | 
	
| USB | 
			Yes Micro-USB  | 
		
		
			Yes Micro-USB  | 
		
		
			Yes Micro-USB  | 
	
| Wi-Fi | 
			Yes 4 (802.11 b,g,n)  | 
		
		
			Yes 4 (802.11 b,g,n)  | 
		
		
			Yes 4 (802.11 b,g,n)  | 
	
| Contacts | |||
| Picture ID | Yes | n/a | n/a | 
| Ringer ID | Yes | n/a | n/a | 
| Voice Dialing | - | n/a | n/a | 
| Customization | |||
| Custom Graphics | Yes | n/a | n/a | 
| Custom Ringtones | - | n/a | n/a | 
| Real-Music Ringers | - | n/a | n/a | 
| Data & Network | |||
| WAP / Web Browser | Yes | n/a | n/a | 
| Input | |||
| Predictive Text Entry | Yes | n/a | n/a | 
| Side Keys | Yes | Yes | Yes | 
| Touch Screen | - | Yes | Yes | 
| Memory | |||
| Memory Card Slot | Yes | Yes | Yes | 
| Messaging | |||
| Email Client | Yes | n/a | n/a | 
| Instant Messaging | Yes | n/a | n/a | 
| MMS | Yes | n/a | n/a | 
| Text Messaging Templates | Yes | n/a | n/a | 
| Music | |||
| FM Radio | Yes | - | Yes | 
| Headphone Jack (3.5mm) | Yes | Yes | Yes | 
| Music Player | Yes | n/a | n/a | 
| Productivity | |||
| Alarm | Yes | n/a | n/a | 
| Calculator | Yes | n/a | n/a | 
| Calendar | Yes | n/a | n/a | 
| Voice Memo | Yes | n/a | n/a | 
| Software | |||
| Games | - | n/a | n/a | 
| Voice | |||
| HD Voice | Yes | Yes | Yes | 
| Speaker Phone | Yes | Yes | Yes | 
| Nuu F4L | ZTE Grand X | Coolpad Illumina / Legacy Go | |
NOTE: Differences are highlighted with bold / black text for visual clarity only.
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| Phone | Nuu F4L | ZTE Grand X | Coolpad Illumina / Legacy Go | 











