Sunday, May 31, 2015

Android M: how to install the previous version for developers – CNET in Spanish

Want to give a taste of the next iteration of Android? If you have a Google Nexus device, you’re in luck.

androidm01.jpg
Sarah Tew / CNET

Google introduced the Android M Thursday, the new version of its popular mobile operating system. The update will change the permissions of apps, improve battery life and personal assistant Now Google will become more intelligent. Android M will be available later this year, but do not have to wait that long to give you a taste. As he did with Lollipop Android, Google has released a developer preview is available for download

But before you get too excited, there are a few things you should know.

  • This version is designed for developers and is very unstable.
  • must not pre-install Android on your master device M.
  • The installation process does not it is for the average user. It is complicated and if you run the wrong way may damage your device.
  • Neither I nor CNET in Spanish is liable for any damage that the upgrade may cause your device.

That said, let’s get to work. The method detailed in this guide is only for Windows computers. There are other options available to Mac users, but can also initialize a Windows virtual PC to do this.



Nexus Root Toolkit

AUn developer known as WugFresh has created a tool you can easily unlock the boot system ( bootloader ) and can rooting your Nexus device. I used the tool for a while now and it’s very easy. Note that this may void your warranty, and CNET in Spanish is not responsible for anything that happens to your device. You should proceed with caution as inexperienced users are advised to wait for the official update later this year.

You can download the tool from this Web site and install it on your Windows computer. Initializes the program and select the device you are using with the current version of the operating system you are running. To find the current version of the OS on your Nexus device, go to Settings (Settings) and slide down to About Phone (on the phone). You will find the information you need under Build Number (version number).

While in the About Phone section, click seven times in the Build Number option to activate the Developer (developer) mode. Then within Developer mode options, enable USB debugging (USB debugging). Will get a window on the screen of your phone when you try to connect Nexus Root Toolkit. Be sure to give permission.

You also have to disable the MTP setting on your Nexus device. When the device is connected to your computer, slide down the notifications bar, select the USB option and disables MTP.



Installing ‘drivers’

If the program and the computer does not recognize your device, you must install some software drivers . In the Nexus Root Toolkit, click the “Full Driver Installation Guide” button and follow the steps 1 to 4. This is the hardest part of the process. Be sure to follow the steps exactly and restart the computer when prompted to do so.



wugfresh-android.png

WugFresh

The images of factory

Before you can install a factory image, you must first unlock the boot system ( bootloader ). Click the Unlock button on the Nexus Root Toolkit, click OK, followed by Yes. Your device twice restart, but do not worry. Let the program do what you have to do.

Once your device has rebooted successfully, skip the initial setup and go to the Settings menu. Again, click the Build Number option to enable Developer mode, select USB debugging.

Now, go to the Web site for developers of Google and download the factory image of the previous Android M. sure to download the image that corresponds to your device. I’m using Nexus 5, so I downloaded the image of the fish hammerhead.

In the Nexus Root Toolkit, click the “Flash Stock + Unroot” button, followed by the option of using the image you downloaded previously. Click OK, select the file from your computer, and copy and paste the MD5 number that is next to the file you downloaded the Google site.

This will take time, so be patient and let the program do what you have to do. Once your phone reboots, will have a new installation of Android M.



Back to Lollipop

All of this is pretty funny. But given that Android M is not ready, you’ll want to have the option of returning to Lollipop. There is no problem. Before you begin, make sure you update the version number of your device on the Nexus Root Toolkit. Then again go to Settings on your Nexus device and enable USB debugging mode and Developer.

In the Nexus Root Toolkit, click the “Flash Stock + Unroot” button and from the dropdown menu select the version of Android you want to display. In my case, it’s a Nexus 5 (fish hammerhead) 5.1.1 (LMY48B). Click the OK button and wait for the image to download.

The operating system installed on your phone in a couple of minutes. And then restart your Nexus Android Lollipop again.

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