Users are, at the moment, just going to have to live with WiFi that isn't even half as fast as it would be if it was working properly. The zenpad z580c has brighter screen than the z580ca software#ASUS has confirmed the issue on their end and is aware of it, and so a software fix should arrive for it at some point. I have tested the ZenPad S with an Apple Airport Extreme 6th gen and a TP-Link Archer C7, and the max link speed remains at 200Mbps in both cases. The ZenPad S only works in 802.11n mode, a software problem that should have been found in testing long before the tablet actually shipped. You may have also noticed that a speed around 150Mbps is very similar to devices with 2x2 802.11n WiFi, and that's exactly the problem. You may be wondering why the ZenPad S can only get a maximum speed of 173Mbps over UDP when the ZenFone 2 with its 1x1 802.11ac goes as fast as 293Mbps. However, the ZenPad S has a software problem that makes real world speeds significantly lower than that. The implementation in the ZenPad S supports two spatial streams on 802.11ac, which allows for a peak theoretical link speed of 867Mbps. The zenpad z580c has brighter screen than the z580ca Bluetooth#Like the ZenFone 2, the ZenPad S Z580CA uses Broadcom's BCM4339 WiFi + Bluetooth solution for wireless connectivity. The color rendition and exposure of images taken during the day makes it clear that the camera has potential, but the numerous issues with the processing produces poor quality images. Ultimately, the ZenPad S suffers from the exact same issue as the ZenFone 2, which is poor image processing. Unlike the day photo test, I would say that the ZenPad S did take a better photo than the Dell Venue 10, but only because I can't even begin to describe the problems with the Venue 10's photo. Despite this, they both have a better exposure and a much greater level of detail than the ZenPad S. Both the Nexus 9 and iPad Air 2 share a sensor size and resolution with the ZenPad S, and both actually have smaller apertures. Low light scenes really make it clear how much of a photo's quality has to do with the quality of the image processing performed. In low light the ZenPad S continues to perform poorly. To evaluate the still image quality of the ZenPad S I've taken photos of my standard photo scene during the day and at night, and compared the results to the other tablets that I have available for testing which includes the Nexus 9, the iPad Air 2, and the Dell Venue 10 7040. Lens aperture and focal length end up being the same as the ZenFone 2 as well. Toshiba's T4K35 sensor has a resolution of 8MP with 1.12 micron pixels, while the ZenFone 2 used T4K37 which had the same pixel size but a higher 13MP resolution. The ZenPad has a similar camera stack to the ZenFone 2. Since resolution is only one of many aspects of a device's camera system, I've included some more information about the ZenPad S Z580CA's cameras in the chart below ZenPad S (Z580CA) Camera Specifications The ZenPad S Z580C sports a 5MP rear-facing camera, and the Z580CA bumps that to an 8MP sensor. While many may still find the idea of taking photos with a tablet to be absurd, one need only look at the people around them to see that for one reason or another tablet photography has become a way that some users choose take photos. Some people even make their tablet their primary camera, whether it be because it's their only device, or because they prefer the larger viewfinder that a tablet offers. While most people will use either their smartphone or a dedicated camera for taking photos, a tablet can be used in a pinch.
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