Chosen Solution

Is there any guides on how to change the screen parts from one to another? Like a guide on here ?

You can check the complete teardown: iPhone 7 Teardown Or the screen Replacement: iPhone 7 LCD and Digitizer Replacement There is only four components to move: iPhone 7 Home/Touch ID Sensor Replacement iPhone 7 LCD Shield Plate Replacement iPhone 7 Front Camera and Sensor Cable Replacement iPhone 7 Earpiece Speaker Replacement