What is the ideal size for a smartphone? The answer is of course subjective, but there has been an obvious trend towards going larger. Models with 5.5-inch screens have dominated the Android market for quite some time now. In fact, it’s pretty hard to find a mainstream Android model with a screen smaller than 5 inches, but there are quite a few larger models at various price levels. We recently reviewed the mid-range Lenovo Phab 2 Plus (Review) and Xiaomi Mi Max (Review), and today we have with us the gargantuan Asus Zenfone 3 Ultra.
The Asus ZenFone 3 Ultra might replace both your smartphone and tablet. Its 6.8-inch screen makes it heavy and unwieldy, although the company has done a good job with design. The display quality is very good, even though the resolution could have been higher. Battery life is also a highlight. Camera quality is strong, but you can get a lot better from similarly priced Android smartphones.
 
                | Brand | Asus | 
| Model | ZenFone 3 Ultra (ZU680KL) | 
| Price in India | ₹24,999 | 
| Release date | May 2016 | 
| Form factor | Touchscreen | 
| Weight (g) | 233.00 | 
| Battery capacity (mAh) | 4600 | 
| Removable battery | No | 
| Colours | Grey, Silver, Pink | 
| Screen size (inches) | 6.80 | 
| Touchscreen | Yes | 
| Resolution | 1080x1920 pixels | 
| Processor | octa-core | 
| Processor make | Qualcomm Snapdragon 652 | 
| RAM | 4GB | 
| Internal storage | 64GB | 
| Expandable storage | Yes | 
| Expandable storage type | microSD | 
| Expandable storage up to (GB) | 128 | 
| Rear camera | 23-megapixel | 
| Rear flash | Dual LED | 
| Front camera | 8-megapixel | 
| Operating system | Android | 
| Skin | ZenUI | 
| Wi-Fi | Yes | 
| Wi-Fi standards supported | 802.11 a/b/g/n/ac | 
| GPS | Yes | 
| Bluetooth | Yes, v 4.20 | 
| NFC | No | 
| Infrared | No | 
| USB OTG | Yes | 
| Headphones | 3.5mm | 
| FM | Yes | 
| Number of SIMs | 2 | 
| Wi-Fi Direct | No | 
| Mobile High-Definition Link (MHL) | No | 
| SIM 1 | |
| GSM/CDMA | GSM | 
| 3G | Yes | 
| 4G/ LTE | Yes | 
| Supports 4G in India (Band 40) | Yes | 
| SIM 2 | |
| GSM/CDMA | GSM | 
| 3G | Yes | 
| 4G/ LTE | Yes | 
| Supports 4G in India (Band 40) | Yes | 
| Compass/ Magnetometer | Yes | 
| Proximity sensor | Yes | 
| Accelerometer | Yes | 
| Ambient light sensor | Yes | 
| Gyroscope | Yes | 
| Barometer | No | 
| Temperature sensor | No | 
 Asus ZenFone 3 Ultra (ZU680KL)
                    Asus ZenFone 3 Ultra (ZU680KL)
                    
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