How to reset locked Android device.

How to reset the software of an Android phone or device that is unresponsive.

While Android is becoming better and better with each passed year, it's hard arguing against simple facts: its fragmented nature is often problematic and can be the cause of quite a few headaches. And we're not just talking about the differences from the software version of one device to the next, but also the many, many custom skins built on top of Android, and the various chipsets they work on. As you can imagine, software developers have to consider all of these variables with their apps, and that sometimes proves too great a challenge. Occasionally, we're just talking about genuinely bad code that goes rogue and breaks something. 

You're now stuck. You can reboot your device, but that last app that you thought sounds amazing broke something, and you just can't use your device properly. Worse yet, the issue is so serious that you can't even reset your device from Settings. So what do you do? Unless you've completely wiped your system partition, the easiest way to get back in business is to reset the device through its recovery. Here's how it works:

Step 1:( Access Recovery)  Accessing your phone's recovery (as a beginner) always requires that it first be shut down. From a powered down state, depending on your device, you get into recovery by pressing simultaneously Volume Up or Down + Power button. That is, it depends on your particular model, and if you want to be sure you're doing it right, the best thing you can do is simply Google it. In our experience, you'll find the combo within seconds. 

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Step 2: (Different Recoveries)Once you boot into recovery, you may end up with something that looks different from what you're seeing on your left (the stock 3e Android recovery). That's because some manufacturers include their own versions of it for one of many reasons, but the good news is that the option we're looking for is always available — Wipe data.

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Step 3: (Wipe) Now that you're in, just select wipe data/factory reset or similar if your recovery is different, by using the Volume Up and Volume Down keys to move around, and the Power button to select. Some recoveries also support touch, so you can use your fingers instead.

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Step 4: (Ok that Prompt) Next, you have to okay the prompt by selecting Yes in a sea of No's. JUST DO IT.

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Here is a video for you guys

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America's giant robot will battle Japan's giant robot

IMAGE: S.N. JACOBSON

A dozen movie and TV robot fantasies are about to come to fruition: Two giant robots, one from Japan and one from the United States, will battle until only one is left standing.

Japanese robotics company Suidobashi Heavy Industries has accepted MegaBots' challenge to a giant real, live giant robot battle on a undetermined date. Both companies make multi-ton mech-style robots that are controlled by humans who ride inside. (The presence of outside operators are also yet to be determined.)

The face-off is a way for MegaBots to promote its newest mech, MegaBot Mark II, which the company calls "America's first full-functional, giant piloted robot." It has some pretty big guns that can shoot paintballs at a car-denting 100 mph.

Suidobashi founder and CEO Kogoro Kurata seemed surprised by the challenge — which he readily accepted — and mocked the MegaBot's choice of weaponry. "Come on guys, make it cooler. Just building something huge and sticking guns on it. It's... super American," he says in the video. Kurata accurately notes that giant robots are part of Japan's heritage. One of the first cartoons I ever saw was Japan's Gigantor, a manga-style show that launched in 1964.

The two robots are pretty evenly matched. MegaBot Mark II is 15 feet tall and rolls around on a pair of giant tank treads. Suidobashi's mech is 13 feet tall and uses four swiveling wheels.

But there are some big differences. MegaBot Mark II cost about $175,000 to build and weighs 12,000 pounds; Suidobashi's sells for more than $1 million and is about 9,000 pounds. "[Suidobashi] is about three times faster than we are," MegaBots cofounder Gui Cavalcanti said. "Their tech is currently more advanced, but we have about a year to catch up. I think it’ll even out."

Cavalcanti, a former Boston Dynamics engineer, answered some of our questions about the upcoming bout. (He's the guy on the left in the challenge video.)

Mashable: When and where will the duel be held?

We don’t know [when] yet. They threw the ball back in our court. We're working in it. But we’d like it to be neutral territory, honestly, as opposed to just in the U.S. or in Japan. So we have to figure out where in the world that might be.

How long might the duel last?

Probably much longer than conventional robot fighting. I don’t know if you’ve watched BattleBots. The action happens pretty fast. With so much mass moving around, this will be slower and it’ll take a little while.

Will there be rounds?

We’re hoping for rounds, but we don’t know all the details yet.

MegaBots Inc founders and robot pilots Gui Cavalcanti (left) and Matt Oehrlein stand in front of their Mark II robot.

IMAGE: MEGABOTS INC

How much autonomy do these robots have?

They are moved around by us. We use the Robot OS; Suidobashi uses V-SIDO. The operating systems interpret motions of drivers and turn them into multi-joint movements. It’s not fully autonomous; it’s robotically-aided motion, a step above being inside an Earth-mover.

Do both robots have only one human operator inside?

They have one, we have two. Matt Oehrlein and I are both in the cockpit. I’m the driver of the MegaBot and he’s the gunner. He does swiveling of the body and aiming of the weapons and I control the motion of the robot.

MagaBots Inc founders and co-pilots Gui Cavalcanti (rear) and Matt Oehrlein drive the Mark II.

IMAGE: MEGABOTS INC.

How will you know when someone has won?

According to [Suidobashi's] video, it’s when we’re beaten to a pile of scrap on the ground.[Laughs.] So I think we still need to work that out.

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NASA is starting to upload 4K, 60fps videos to YouTube (VIDEO)

The vast beauty of space is about to look even more beautiful on your computer screen. Starting today, NASA will offer "4K Ultra High-Definition (UHD)" videos on YouTube, taking advantage of the site's relatively new ability to serve up 4K videos at a super smooth frame rate of 60 frames-per-second.
The first UHD video, seen above, is a (frustratingly) short tease of the beautiful moving images that are sure to come. It was posted to one of NASA's YouTube accounts, ReelNASA, which is a home for much of the International Space Station's video content.
Here's hoping they work on your computer

While we've seen some 4K videos from the ISS in the past (like this gorgeous one from the ESA, or this one posted to ReelNASA earlier this week), they have typically been time lapses made from large batches of still photos, which required lots of time and editing. NASA figuring out a way to download near-realtime UHD video means the 4K content could make it to the internet much faster. Of course, many computers still struggle to support 4K video, let alone the ones running at 60fps.


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Secret Monitor Tricks Makes Your Computer Monitor Invisible To Others.

If you don't want want people snooping on what you're up to on your computer, then you're in luck.

A scientist has revealed how to make your screen invisible - or unreadable - to nosy neighbours.

YouTube scientist 'Brasspup', who specialises in optical illusions on the streaming site, has revealed how to modify an old LCD monitor and a pair of 3D glasses so that only the wearer of the spectacles can see what is on their computer screen.

Scroll down for video

Brusspup first prised open and removed the LCD monitor casing, before cutting carefully around the side of the screen and pulled the polarising filter off it in pieces (pictured)

In order to make the modifications, YouTube scientist Brusspup said individuals will need an old LCD monitor, a piece of polarising filter, a pair of 3D glasses, scissors, a prying tool and a craft knife.

In the video, he first prised open and removed the monitor casing, before cutting around the side of the screen.

He then stripped the layer of tough film - the top polarising filter - off the screen in pieces. 

It is this film that allows users of the computer to see what is displayed on their screen.

Here, the master of optical illusions traces the shape of the 3D glasses lenses in polarising filter. It is this filter that allows the wearer of the spectacles to see the stripped screen

He then set about making the glasses by tracing round the lenses and cutting out the right shapes from a new piece of polarising film.

Brusspup removed the 3D film already in place in the glasses and replaced it with the newly cut polarising 'lenses'.

After the film was removed from the functioning monitor, it appears white to anyone not wearing the polarised glasses.

The modifications allow the wearer of the spectacles to be the only person to see what is really there on the screen.

After the polarising film has been removed from the functioning monitor, it appears white to anyone not wearing the polarised glasses

An unmodified back-lit LCD monitor typically consists of a layer of molecules aligned between two transparent electrodes and two polarising filters, which are parallel and perpendicular.

Light passes through the first filter and is blocked by the second polariser, which makes pixels appear black and explains why when the filter is removed, the screen shows white.

Content is shown on the screen (regardless of whether the filters are in place) by controlling the voltage applied across the liquid crystal layer, so that light can be allowed to pass though in varying amounts and control different amounts of light and dark in each pixel - or minute square area on the screen.

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