The same way you attach pictures.
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Once you press there, you need to go to where the phone files are kept, you can identify it, the one in the menu that has the name of your phone on it.
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Once you go there, it is simply a matter of navigating into the Android file, finding SFS, and the blueprints.
Here is more detail, it is for downloading a blueprint but the navigation process is the same.
Do you copy the blueprint or is like a copy and past thing