Power off the device
Wash and dry your hands
Remove the device case
Lift one corner of the screen protector with a fingernail or plastic card
Peel off the screen protector slowly
Clean the screen with a microfiber cloth
Use screen-safe cleaner or a small amount of isopropyl alcohol on the cloth if needed
Remove dust with a dust sticker or tape
Check the screen for cracks or damage
Replace the screen protector with a new one
Align the new protector carefully
Press from the center outward to remove bubbles
Reattach the case
Turn the device back on