Choose install device, tool and location. The Debian install can be created directly on the Android device or on a second device running Linux such as a laptop or desktop. To create the installation on the Android device you will have to be using an install tool that supports running under Android. Probably only debootstrap supports this. Click Install. Configure installation options—using the default channel and checking all three options is recommended. Click OK. When prompted, restart your phone (if you have previously installed a custom recovery, restart into that) Wait while Ubuntu Touch is installed, following any relevant instructions. .

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