Task: fix a broken screen
Assumptions:
Fix a broken screen of a phone.
Steps:
Remove the broken screen
Clean the phone's screen with isopropyl alcohol
Wipe the screen with a clean microfiber cloth
Use transparent adhesive tape around the area to be patched
Apply small quantities of the patch to the cracked area of the screen
Insert the new screen to the phone
Gently rub the phone with your fingers.