Enable dual-boot for Ubuntu and Android 4.4.2 on Nexus

Now it is easier to test Ubuntu on the phone. You can download a program from Canonical, which can install a new operating system without removing the original Andorid. A dual-boot system can attract more users to pay attention to the new open-source platforms on mobile phones/tablets.

The simplest Ubuntu Touch & Android dual-System Installation Method

Ubuntu 14.04 download, installation, and configuration summary page

Install Ubuntu 14.04 on a hard drive in Windows 7. Permanent update address:

Canonical has a process on its website to explain how to install Ubuntu on the phone, but this actually requires you to delete the Android system to get a new operating system. Ubuntu developers have already done a lot of work. This new system looks great, but if you decide to return to Android, You need to delete Ubuntu and install Google's Android system. This means that you have to repeat your phone number, which may be troublesome.

Fortunately, there is now a solution called MultiROM Manager, developed by Vojtech Bocek, which can now be downloaded on Google Play and supports Nexus 7 (2012 & 2013), Nexus 4, and Nexus 5.

On the other hand, Ubuntu Touch only supports Nexus 4 (mako), Nexus 7 (2013) tablets (flo), and Nexus 10 tablets (manta), so unless you have these devices, otherwise, you may not be able to perform these steps safely (it may be able to work, but it is not guaranteed to make your device brick and/or lose all the data .)

First, you need an unlocked device. Since you have a Nexus device, this should not be a problem. You also need to root your Andorid device so that you can install the operating system in this application.

There are many tools to do this root job. First, you need to install ADB (Android Debug Bridge), which is provided along with the Canonical tool. Run the following command on the terminal:

1. Sudo add-apt-repository ppa: phablet-team/tools
2. Sudo apt-get update
3. Sudo apt-get install ubuntu-device-flash

Now, you need to download Two Binary packages, TWRP 2.7.0.0 and SuperSU, which allow you to implement root. Copy the SuperSU binary zip package to your phone memory and run the following command to enter the bootloader (Note: The original command sudo reboot bootloader should have lost the adb command ):

1. Sudo adb reboot bootloader

Decompress the TWRP file on your computer and run the following command to install the image on your mobile phone (replace the following "recovery" with the downloaded file name. (Note: The fastboot here should also require sudo permissions for execution .)

1. Sudo fastboot flash recovery. img

Go to recovery from the bootloader menu and you will see TWRP 2.7.0.0. Run TWRP, install the SuperSU Binary Package, and restart.

Now you have the root access permission. Install Multi Manager, apply patches, and download Ubuntu for your mobile phone. The application requires the root permission, and the installation will proceed smoothly. When you restart, you will see a small window prompting you to choose the system you want to run. After Ubuntu is selected, you can run it.

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