The BioPatch underneath the removed cover.
It is NOT important, in any installation situation, which side faces up and which side faces down.
For Smartphones that cannot be opened as illustrated it is advised to use a cover for the phone and place the BioPatch between cover and phone. In this case, you would not need to stick/tape the BioPatch to your phone as the case will sufficiently secure it.
For those who do not want to use a case, you can use the “Hafty”, which is provided or just use some sticky tape.
Both sides of the Hafty are lines with nano suction cups that are ideally used for other applications of the BioPatch. Personally, we have found that the Hafty is too thick to be comfortably used on a smartphone.
Caution: Smartphones and tablets with an aluminum backing!
Aluminum has isolating properties and does not allow for information to pass through it. According to our knowledge if a harmonizing product is placed on aluminum then its function is severely impaired.
The most popular phone that has an back made of aluminum is the iPhone. From the iPhone 5 onwards the majority of the rear panel is made from aluminum, with thin strips of glass or plastic. In the newer Apple models the Apple logo is inset and not just a glossy part of the usually brushes aluminum back. A good place to install the BioPatch would be either on the glass/plastic strips or on the inset Apple logo.
Another popular phone is the HTC One, which has a similar rear design as the iPhone.
Figure 3 show an example on the iPhone 6 plus.