Power bank chargers are very useful, but they can also be frustrating, especially if they are not functioning as they should. One common problem is their indicator lights blinking in patterns that aren't obvious, which can cause problems with charging a device.
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Laptops typically have USB ports that are not designed to charge devices as quickly or reliably as wall sockets. In order to charge your power bank as quickly as possible, plug it directly into your wall instead of your laptop.
Some power bank manufacturers have warranties that prevent devices that have been damaged by improper use or care. Some also have warranties that will allow you to fix your power bank yourself or send it to a service centre.
Power banks are useful for charging portable devices, but that doesn't mean they are perfect. If your power bank is blinking and not charging, you should troubleshoot the problem by following the steps above. If all else fails, you should buy a reliable power bank to replace your old one.
The R1 Nano offers an auto keystone correction system, as well as automatic human detection and dimming to prevent eye damage. It advertises a display size from 40 inches to 100 inches, which mostly checks out and 1200 ANSI lumens of output, which is pretty liberal. But, we'll get to that.
The included remote is pretty minimal when it comes to controls. You only get the basics, which is unfortunately not enough if you actually plan on sideloading some less than TV-optimized apps. We would have at least appreciated some dedicated playback controls. On the upside you can attach most standard Bluetooth keyboard and mice to the R1 Nano, which is great. We will mention all that and button remapping in the software section.
While we were overall pretty pleased with the visual fidelity of the R1 Nano, we should note that our unit has a persistent and pretty annoying defect on the image. The far-left corner has a distinct yellow hue. It is probably an issue with the phosphorus layer or, more likely, some of the filters along the way, particularly in that edge area. If we zoom down the image to around 97% and then shift it to the right, the issue is not visible, but that comes at the cost of sharpness.
Our R1 Nano unit did come preloaded with one particularly interesting app. called ProjecTivy Tools. It is a well-known and pretty popular tool on an Android TV projectors, offering a few intriguing features, among which is a convenient repository of third-party apps that you can just install on the device after enabling unofficial sources in FengOS settings. 2ff7e9595c
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