To begin with we will unhook the straps to work with greater comfort.

Remove the four Triwing screws (Y0.6), and with the help of a fine tool we will remove the back cover, but before removing it completely we must disconnect the flex from the cardiac sensor of the motherboard.

We disconnect all the components of the motherboard, extract the Phillips screw (PH # 00) that we pointed out in the third photograph, and with the help of a flat tool remove the chassis with all the components inside the frame of the smartwatch.

To finish, with the help of a flat tool we will take off the flex with sensor hall that we have to replace.